Παραπομπή APA

Paterson, W. E. E., & Urwin, D. W. E. (1990). Politics in Western Europe today: Perspectives, policies and problems since 1980.

Παραπομπή Chicago Style

Paterson, W E; Ed, και D W; Ed Urwin. Politics in Western Europe Today: Perspectives, Policies and Problems Since 1980. London, Longman, 1990.

Παραπομπή MLA

Paterson, W E; Ed, και D W; Ed Urwin. Politics in Western Europe Today: Perspectives, Policies and Problems Since 1980. 1990.