[Anna L., Alan F. (2006) Managing world heritage sites. Charon Tec Ltd. Chennai. India. Printed and bound in The Netherlands. 320 pp.]Search in Google Scholar
[Arbulo N., Santos E., Salvarrey S., Invernizzi C. (2011) Proboscis length and resource utilization in two Uruguayan bumblebees: Bombus atratus Franklin and Bombus bellicosus Smith (Hymenoptera: Apidae). Neotropical Entomology 40(1): 72-77. DOI: 10.1590/S1519-566X201100010001010.1590/S1519-566X201100010001021437485]Search in Google Scholar
[Johnson R. A., Wichern D. W. (2007) Applied Multivariate Statistical Analysis. 6th ed. Prentice Hall. Upper Saddle River. New Jersey. 773 pp.]Search in Google Scholar
[Li H., Zhang Z. Y., Tan K. (2008) Morphology of Qinghai A. cerana. Journal of Bee 12: 5-6 [in Chinese].]Search in Google Scholar
[Luo L. J., Tan K. (2008) A study of morphology of Sichuan A. cerana. Journal of Bee 9: 3-4 [in Chinese].]Search in Google Scholar
[Marghitas A. L., Paniti-Teleky O., Dezmirean D., Margaoan R., Bojan C., Coroian C., Laslo L., Moise A. (2008) Morphometric differences between honey bees (Apis mellifera carpatica) populations from Transylvanian area. Zootehnie si Biotehnologii 41(2): 309-315.]Search in Google Scholar
[Mostajeran M. A., Edriss M. A., Basiri M. R. (2006) Analysis of colony and morphological characters in honey bees (Apis mellifera meda). Pakistan Journal of Biological Sciences 9(14): 2685-2688.10.3923/pjbs.2006.2685.2688]Search in Google Scholar
[Ruttner F., Tassencouyt L., and Louveaux J. (1978) Biometrical statistical analysis of the geographic variability of Apis mellifera L. Apidologie 9: 363-381. DOI: 10.1051/apido:1978040810.1051/apido:19780408]Search in Google Scholar
[Souza D. C., Cruz C. D., Campos L and Regazzi A. J. (2002) Correlation between honey production and some morphological traits in Africanized honey bees (Apis mellifera). Ciencia Rural Santa Maria 32(5): 869-871.10.1590/S0103-84782002000500020]Search in Google Scholar
[Tan K., He S., Liu Y. Q. (2004) Biogeography and taxonomy of honey bees in Hainan island. Journal of Bee 11: 3-4 [in Chinese].]Search in Google Scholar
[Tan K., Qi W. Z. (2004) Morphometric study of A. cerana in Gansu. Journal of Bee 3: 6-7 [in Chinese].]Search in Google Scholar
[Tan K., Stefan F., Nikolaus K., Zan R. (2003) Morphological characterization of Apis cerana in the Yunnan province of China. Apidologie 34: 553-561. DOI: 10.1051/apido:200304910.1051/apido:2003049]Search in Google Scholar
[Tofilski A. (2008) Using geometric morphometrics and standard morphometry to discriminate three honeybee subspecies. Apidologie 39: 558-563. DOI: 10.1051/apido:200803710.1051/apido:2008037]Search in Google Scholar
[Wang G. Z., Shi W. (2008) Researchs on diversity of morphometric characters about Henan Apis cerana. Acta Agriculture University Jiangxienisis 30(6): 899-995 [in Chinese].]Search in Google Scholar
[Wang G. Z., Zhang X. L., Lv L. P., Ding G. L., Shi W. (2008) Study on morphological characters and taxonomy of Shandong Apis cerana. Apiculture of China 59(4): 5-7 [in Chinese].]Search in Google Scholar
[Yu L. S, Zou Y. D., Bi S. D.(2006) Relation between population dynamics and distribution of honey bees and ecological environment. Chinese Journal of Applied Ecology 17(8): 1465-1468 [in Chinese].]Search in Google Scholar
[Yu L. S., Meng X. J., Wu C. W., Zou Y. D. (2010) Study on diversity of morphological characters of Apis cerana cerana in the different ecological conditions of South Anhui Mountianous. Acta Ecologica Sinica 30: 3-5 [in Chinese]. ]Search in Google Scholar