Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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