APA (7e ed.) Bronvermelding

Dube, D. R. (1987). Agricultural geography: Issues and applications. Gain.

Chicago (17e ed.) Bronvermelding

Dube, Dr. R.S. Agricultural Geography: Issues and Applications. Delhi: Gain, 1987.

MLA (9e ed.) Bronvermelding

Dube, Dr. R.S. Agricultural Geography: Issues and Applications. Gain, 1987.

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