Citazione APA

Surender Singh. (2011). Geography: For state civil services and other competitive examination. Tata McGraw-Hill.

Stile di citazione Chicago

Surender Singh. Geography: For State Civil Services and Other Competitive Examination. New Delhi: Tata McGraw-Hill, 2011.

Citazione MLA

Surender Singh. Geography: For State Civil Services and Other Competitive Examination. Tata McGraw-Hill, 2011.