Thorpe Edgar & Thorpe Showick. (2009). The Pearson general studies manual 2009 for the UPSC civil services preliminrary examination. Pearson Education.
Chicago Edition CitationThorpe Edgar and Thorpe Showick. The Pearson General Studies Manual 2009 for the UPSC Civil Services Preliminrary Examination. Delhi: Pearson Education, 2009.
MLA Edition CitationThorpe Edgar and Thorpe Showick. The Pearson General Studies Manual 2009 for the UPSC Civil Services Preliminrary Examination. Pearson Education, 2009.
Warning: These citations may not always be 100% accurate.