Citazione APA

Thorpe, E., & Thorpe , S. (2004). Pearson general studies manual: For the UPSC Civil services preliminary examination. Pearson Education.

Stile di citazione Chicago

Thorpe, Edgar, e Showick Thorpe. Pearson General Studies Manual: For the UPSC Civil Services Preliminary Examination. Delhi: Pearson Education, 2004.

Citazione MLA

Thorpe, Edgar, e Showick Thorpe. Pearson General Studies Manual: For the UPSC Civil Services Preliminary Examination. Pearson Education, 2004.