APA استشهاد

Seth, A. K., & Seth, S. P. (1994). A Comprehensive book on general studies for UPSC civil services preliminary examination.

استشهاد بنمط شيكاغو

Seth, A K., و S P. Seth. A Comprehensive Book on General Studies for UPSC Civil Services Preliminary Examination. New Delhi, Dhanapat Rai & Sons, 1994.

MLA استشهاد

Seth, A K., و S P. Seth. A Comprehensive Book on General Studies for UPSC Civil Services Preliminary Examination. 1994.