APA (7e ed.) Bronvermelding

Berry, J. M. (2009). The interest group society (5th ed.). Pearson Education, Inc.

Chicago (17e ed.) Bronvermelding

Berry, Jeffrey M. The Interest Group Society. 5th ed. New York, NY: Pearson Education, Inc, 2009.

MLA (9e ed.) Bronvermelding

Berry, Jeffrey M. The Interest Group Society. 5th ed. Pearson Education, Inc, 2009.