Thorepe,Edgar. (2009). Pearson General Studies Manual 2009; For the UPSC Civil Service Preliminary Examination. Dorling Kindersley.
Chicago Edition CitationThorepe,Edgar. Pearson General Studies Manual 2009; For the UPSC Civil Service Preliminary Examination. India: Dorling Kindersley, 2009.
Cita MLAThorepe,Edgar. Pearson General Studies Manual 2009; For the UPSC Civil Service Preliminary Examination. Dorling Kindersley, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.