Seth, A. K., & Seth, S. P. (1994). A Comprehensive book on general studies for UPSC civil services preliminary examination.
Chicago-стиль цитированияSeth, A K., and S P. Seth. A Comprehensive Book on General Studies for UPSC Civil Services Preliminary Examination. New Delhi, Dhanapat Rai & Sons, 1994.
MLA-цитированиеSeth, A K., and S P. Seth. A Comprehensive Book on General Studies for UPSC Civil Services Preliminary Examination. 1994.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.