(1993). Tata Mc Graw Hill General Studies Manual for UPSC Civil Services Preliminary Examination. Tata McGraw-Hill.
Chicago Edition CitationTata Mc Graw Hill General Studies Manual for UPSC Civil Services Preliminary Examination. New Delhi: Tata McGraw-Hill, 1993.
Cita MLATata Mc Graw Hill General Studies Manual for UPSC Civil Services Preliminary Examination. Tata McGraw-Hill, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.