APA引文

J K Chopra. (2013). Unique Quintessence of General Studies Paper-1 2013: Must read manual for UPSC/ State civil services preliminary examination. New Delhi.

Chicago Edition Citation

J K Chopra. Unique Quintessence of General Studies Paper-1 2013: Must Read Manual for UPSC/ State Civil Services Preliminary Examination. New Delhi, 2013.

MLA引文

J K Chopra. Unique Quintessence of General Studies Paper-1 2013: Must Read Manual for UPSC/ State Civil Services Preliminary Examination. New Delhi, 2013.

警告：這些引文格式不一定是100％准確.