Thorepe,Edgar. (2009). Pearson General Studies Manual 2009; For the UPSC Civil Service Preliminary Examination. Dorling Kindersley.
Chicago ZitierstilThorepe,Edgar. Pearson General Studies Manual 2009; For the UPSC Civil Service Preliminary Examination. India: Dorling Kindersley, 2009.
MLA ZitierstilThorepe,Edgar. Pearson General Studies Manual 2009; For the UPSC Civil Service Preliminary Examination. Dorling Kindersley, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.