एपीए उद्धरण

Sharma, T., & Countinho, O. (1977). Economic and commerical geography of India. Vikas.

शिकागो स्टाइल उद्धरण

Sharma, Tc, और O. Countinho. Economic and Commerical Geography of India. Vikas, 1977.

एमएलए उद्धरण

Sharma, Tc, और O. Countinho. Economic and Commerical Geography of India. Vikas, 1977.