(1996). Tata Mcgraw Hills General studies Manual for UPSC Civil services Preliminary Examination. McGraw-Hill.
Chicago Style aipamenaTata Mcgraw Hills General Studies Manual for UPSC Civil Services Preliminary Examination. New Delhi: McGraw-Hill, 1996.
MLA aipamenaTata Mcgraw Hills General Studies Manual for UPSC Civil Services Preliminary Examination. McGraw-Hill, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.