Citazione APA

Thorpe, E., & Thorpe, S. (2009). Pearson general studies manual 2010: For the UPSC Civil Services preliminary examination. Pearson.

Stile di citazione Chicago

Thorpe, Edgar, e Showick Thorpe. Pearson General Studies Manual 2010: For the UPSC Civil Services Preliminary Examination. Chandigarh: Pearson, 2009.

Citazione MLA

Thorpe, Edgar, e Showick Thorpe. Pearson General Studies Manual 2010: For the UPSC Civil Services Preliminary Examination. Pearson, 2009.