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