Importance and Limitations of the Leicester Group Theory towards the Comprehension of Delinquent Behaviour of Ultra Groups of Oporto

Canter, D., Comber, M. & Uzzell, D. L. (1989). Football in its place. An environmental psychology of football grounds. London & New York: Routledge.Search in Google Scholar

Dunning, E., Murphy, P. & Williams, J. (1992a). A violěncia dos espectadores nos desafios de futebol: para uma explicação sociológica. In N. Elias (Ed.) A busca da excitação (pp. 368-388). Lisboa: Difusão Editorial Lda.Search in Google Scholar

Dunning, E., Murphy, P. & Williams, J. (1992b). The roots of Football Hooliganism. An Historical and Sociological Study (4^th ed.) London & New York: Routledge.Search in Google Scholar

Elias, N. (1992). Introdução. In N. Elias (Ed.) A busca da excitação (pp. 39-99). Lisboa: Difusão Editorial Lda.Search in Google Scholar

Spaaij, R. (2006). Understanding Football Hooliganism. A comparison of Six Western European Football Clubs. Vossiupers: University van Amsterdam.Search in Google Scholar

Suttles, G. D. (1968). The social order of the slum. Chicago: The University of Chicago Press.Search in Google Scholar