[Castagnol, Y. (1972). Selling promotion principles and practices. Delmas et Cie Publishing House.]Search in Google Scholar
[Delozier, M. W. (1976). The Marketing Communications Process. New York: Met-Raw-Hill Book Company.]Search in Google Scholar
[Hill, E., & O’Sullivan, T. (1998). Marketing. Bucharest: Antet Publishing House. McCarthy, E.J., & Perreault jr, W.D. (1994). Basic Marketing. Irwin. Moldoveanu, M., & Miron, D. (1995) Advertising Psychology. Bucharest: Libra Publishing House.]Search in Google Scholar