6V. O. Key. Politics,Parties,and Pressure Groups [ M]. New York: Growell, 1967. 54.
7N. Ellemers, P. Kortekaas, J. Ouwerkerk. Self - Categorization, Commitment to the Group and Social Self - Esteem as Related but distinct Aspects of Social Identity [ J]. European Journal of Social Psychology, 1999, (29) :371 - 398.
10Kobena Mercer. Welcome to the Jungle : Identity and Diversity in Postmodern Politics [ A ]. Jonathan Rutherford ( ed. ), Identity : Community, Culture, Difference [C]. London: Lawrence & Wishart, 1990. 43.