TATA MCGRAW-HILL PUB. (1997). GENERAL STUDIES MANUAL FOR UPSC CIVIL SERVICES PRELIMINARY EXAMINATIONS (11TH.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Chicago Style (17. basım) AtıfTATA MCGRAW-HILL PUB. GENERAL STUDIES MANUAL FOR UPSC CIVIL SERVICES PRELIMINARY EXAMINATIONS. 11TH. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1997.
MLA (9th ed.) AtıfTATA MCGRAW-HILL PUB. GENERAL STUDIES MANUAL FOR UPSC CIVIL SERVICES PRELIMINARY EXAMINATIONS. 11TH. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1997.
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