(2001). Tata McGraw-Hill's general studies manual 2001 for the UPSC civil services preliminary examination. Tata McGraw-Hill.
Chicago-tyylinen lähdeviittausTata McGraw-Hill's General Studies Manual 2001 for the UPSC Civil Services Preliminary Examination. New Delhi: Tata McGraw-Hill, 2001.
MLA-viiteTata McGraw-Hill's General Studies Manual 2001 for the UPSC Civil Services Preliminary Examination. Tata McGraw-Hill, 2001.
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