Franklin

MLA

Petracca, Mark P. The Politics of Interests : Interest Groups Transformed. Boulder: Westview Press, 1992.

APA

Petracca, M. P. (1992). The Politics of interests : interest groups transformed. Boulder: Westview Press.

Chicago

Petracca, Mark P. The Politics of Interests: Interest Groups Transformed. Boulder: Westview Press, 1992.