एपीए उद्धरण

Agarwal, M. (1977). Economic and Commercial Geography. National Publishing House.

शिकागो स्टाइल उद्धरण

Agarwal, M.c. Economic and Commercial Geography. New Delhi: National Publishing House, 1977.

एमएलए उद्धरण

Agarwal, M.c. Economic and Commercial Geography. National Publishing House, 1977.