Dyfyniad APA

Khanna, K. K., & Gupta, V. K. (1972). Economic and commercial geography (2nd. ed.). S.Chand & Co..

Dyfyniad Arddull Chicago

Khanna, K. K., and V. K. Gupta. Economic and Commercial Geography. 2nd. ed. S.Chand & Co., 1972.

Dyfyniad MLA

Khanna, K. K., and V. K. Gupta. Economic and Commercial Geography. 2nd. ed. S.Chand & Co., 1972.

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