APA引文

Chopra, J. (2010). Unique quintessence of Indian History: For U.P.S.C. and state civil services examinations and other competitive examinations. Unique.

Chicago Edition Citation

Chopra, J.K. Unique Quintessence of Indian History: For U.P.S.C. and State Civil Services Examinations and Other Competitive Examinations. New Delhi: Unique, 2010.

MLA引文

Chopra, J.K. Unique Quintessence of Indian History: For U.P.S.C. and State Civil Services Examinations and Other Competitive Examinations. Unique, 2010.

警告：這些引文格式不一定是100％准確.