APA ציטוט

Chopra,J.K. (2008). Political science: UPSC civil service preliminary examination (1.). Unique.

Chicago Edition Citation

Chopra,J.K. Political Science: UPSC Civil Service Preliminary Examination. 1. New Delhi: Unique, 2008.

ציטוט MLA

Chopra,J.K. Political Science: UPSC Civil Service Preliminary Examination. 1. Unique, 2008.