Παραπομπή APA

Arora, N. (2010). Political Science: For UPSC civil service preliminary examination. TMH.

Παραπομπή Chicago Style

Arora, N.D. Political Science: For UPSC Civil Service Preliminary Examination. New Delhi: TMH, 2010.

Παραπομπή MLA

Arora, N.D. Political Science: For UPSC Civil Service Preliminary Examination. TMH, 2010.