APA استشهاد

Chopra , J. K. (2012). Unique quintessence of general studies: For main examination PaperI. Unique Publishers.

استشهاد بنمط شيكاغو

Chopra , J. K. Unique Quintessence of General Studies: For Main Examination PaperI. New Delhi: Unique Publishers, 2012.

MLA استشهاد

Chopra , J. K. Unique Quintessence of General Studies: For Main Examination PaperI. Unique Publishers, 2012.