APA Alıntı

Chopra, J., & Sen, S. M. (2001). Unique quintessence of sociology for UPSC civil services preliminary examinations, P.C.S., S.S.C., universities and other competitive examinations (25th ed.). Unique Publishers.

Chicago Stili Alıntı

Chopra, J.K, ve S. Mansukhani Sen. Unique Quintessence of Sociology for UPSC Civil Services Preliminary Examinations, P.C.S., S.S.C., Universities and Other Competitive Examinations. 25th ed. New Delhi: Unique Publishers, 2001.

MLA Alıntı

Chopra, J.K, ve S. Mansukhani Sen. Unique Quintessence of Sociology for UPSC Civil Services Preliminary Examinations, P.C.S., S.S.C., Universities and Other Competitive Examinations. 25th ed. Unique Publishers, 2001.