SHERMAN, A. K., & KOLKER, A. (1987). The social bases of politics. Wadsworth Publishing.
Cita Chicago (17th ed.)SHERMAN, Arnold K., i Aliza KOLKER. The Social Bases of Politics. Belmont: Wadsworth Publishing, 1987.
Cita MLA (9th ed.)SHERMAN, Arnold K., i Aliza KOLKER. The Social Bases of Politics. Wadsworth Publishing, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.