APA استشهاد

Sharma, T., & O.Coutinho. (1978). Economic and commercial geography of India/2e (2nd ed.). Vikas.

استشهاد بنمط شيكاغو

Sharma, T.C, و O.Coutinho. Economic and Commercial Geography of India/2e. 2nd ed. New Delhi: Vikas, 1978.

MLA استشهاد

Sharma, T.C, و O.Coutinho. Economic and Commercial Geography of India/2e. 2nd ed. Vikas, 1978.