Citazione APA

Sharma, T. C., & Coutinho, O. (1977). Economic and commercial geography of India. Vikas.

Stile di citazione Chicago

Sharma, T. C., e O. Coutinho. Economic and Commercial Geography of India. New Delhi: Vikas, 1977.

Citazione MLA

Sharma, T. C., e O. Coutinho. Economic and Commercial Geography of India. Vikas, 1977.