Kapur, A. (2004). Principles of Political Science. S. Chand.
Lua i Stíl Chicago (17ú heag.)Kapur, A.C. Principles of Political Science. New Delhi: S. Chand, 2004.
Lua MLA (9ú heag.)Kapur, A.C. Principles of Political Science. S. Chand, 2004.
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