(1993). Tata Mc Graw Hill General Studies Manual for UPSC Civil Services Preliminary Examination. Tata McGraw-Hill.
Chicago-tyylinen lähdeviittausTata Mc Graw Hill General Studies Manual for UPSC Civil Services Preliminary Examination. New Delhi: Tata McGraw-Hill, 1993.
MLA-viiteTata Mc Graw Hill General Studies Manual for UPSC Civil Services Preliminary Examination. Tata McGraw-Hill, 1993.
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