(1999). General studies manual for the UPSC civil services preliminary examination 1999. Tata McGraw-Hill.
Chicago Edition CitationGeneral Studies Manual for the UPSC Civil Services Preliminary Examination 1999. New Delhi: Tata McGraw-Hill, 1999.
Cita MLAGeneral Studies Manual for the UPSC Civil Services Preliminary Examination 1999. Tata McGraw-Hill, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.