Seth, A. K., & Seth, S. P. (1994). A Comprehensive book on general studies for UPSC civil services preliminary examination.
Chicago Edition CitationSeth, A K., i S P. Seth. A Comprehensive Book on General Studies for UPSC Civil Services Preliminary Examination. New Delhi, Dhanapat Rai & Sons, 1994.
Cita MLASeth, A K., i S P. Seth. A Comprehensive Book on General Studies for UPSC Civil Services Preliminary Examination. 1994.
Atenció: Aquestes cites poden no estar 100% correctes.