Dyfyniad APA

Khanna, K. (1978). Economic and commercial geography. Sultan chand & co.

Dyfyniad Arddull Chicago

Khanna, K.K. Economic and Commercial Geography. New Delhi: Sultan chand & co, 1978.

Dyfyniad MLA

Khanna, K.K. Economic and Commercial Geography. Sultan chand & co, 1978.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.