APA (7e ed.) Bronvermelding

Dubey, R. N. (1974). Economic and commercial geography (14th ed.). Kitab Mahal.

Chicago (17e ed.) Bronvermelding

Dubey, Ram Nath. Economic and Commercial Geography. 14th ed. Allahabad: Kitab Mahal, 1974.

MLA (9e ed.) Bronvermelding

Dubey, Ram Nath. Economic and Commercial Geography. 14th ed. Kitab Mahal, 1974.

Let op: Deze citaties zijn niet altijd 100% accuraat.