APA استشهاد

(2001). Unique quintessence of general studies for UPSC civil service preliminary examination 2001. Unique Publishers.

استشهاد بنمط شيكاغو

Unique Quintessence of General Studies for UPSC Civil Service Preliminary Examination 2001. New Delhi: Unique Publishers, 2001.

MLA استشهاد

Unique Quintessence of General Studies for UPSC Civil Service Preliminary Examination 2001. Unique Publishers, 2001.