Thorpe, E., & Thorpe, S. (2009). Pearson general studies manual 2010: For the UPSC Civil Services preliminary examination. Pearson.
Chicago Edition CitationThorpe, Edgar, i Showick Thorpe. Pearson General Studies Manual 2010: For the UPSC Civil Services Preliminary Examination. Chandigarh: Pearson, 2009.
Cita MLAThorpe, Edgar, i Showick Thorpe. Pearson General Studies Manual 2010: For the UPSC Civil Services Preliminary Examination. Pearson, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.