Tara Chand. (2005). General Studies Manual 2005 for UPSC Civil Services Preliminary examination (Ed.20.).
Chicago Stili AlıntıTara Chand. General Studies Manual 2005 for UPSC Civil Services Preliminary Examination. Ed.20. New Delhi, Tata Mc Graw Hill, 2005.
MLA AlıntıTara Chand. General Studies Manual 2005 for UPSC Civil Services Preliminary Examination. Ed.20. 2005.
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