Berry, J. M., & Wilcox, C. (2009). The interest group society (5. ed.). Pearson Longman.
Chicago Style (17th ed.) CitationBerry, Jeffrey M., and Clyde Wilcox. The Interest Group Society. 5. ed. New York [u.a.]: Pearson Longman, 2009.
MLA (9th ed.) CitationBerry, Jeffrey M., and Clyde Wilcox. The Interest Group Society. 5. ed. Pearson Longman, 2009.
Warning: These citations may not always be 100% accurate.