(1993). Tata Mc Graw Hill General Studies Manual for UPSC Civil Services Preliminary Examination. Tata McGraw-Hill.
Chicago Style aipamenaTata Mc Graw Hill General Studies Manual for UPSC Civil Services Preliminary Examination. New Delhi: Tata McGraw-Hill, 1993.
MLA aipamenaTata Mc Graw Hill General Studies Manual for UPSC Civil Services Preliminary Examination. Tata McGraw-Hill, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.