SHERMAN, A. K., & KOLKER, A. (1987). The social bases of politics. Wadsworth Publishing.
Lua i Stíl Chicago (17ú heag.)SHERMAN, Arnold K., agus Aliza KOLKER. The Social Bases of Politics. Belmont: Wadsworth Publishing, 1987.
Lua MLA (9ú heag.)SHERMAN, Arnold K., agus Aliza KOLKER. The Social Bases of Politics. Wadsworth Publishing, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.