APA引文

Dubey, R. n. Economic and commercial Geography (16 th ed.). Kitab Mahal.

Chicago Edition Citation

Dubey, R n. Economic and Commercial Geography. 16 th ed. Allahabad: Kitab Mahal.

MLA引文

Dubey, R n. Economic and Commercial Geography. 16 th ed. Kitab Mahal.

警告：這些引文格式不一定是100％准確.