APA引文

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

Chicago Edition Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.