APA (7e ed.) Bronvermelding

Não informado. (1958). Journal of tropical geography. University of Singapore, Department of Geography.

Chicago (17e ed.) Bronvermelding

Não informado. Journal of Tropical Geography. Singapore: University of Singapore, Department of Geography, 1958.

MLA (8e ed.) Bronvermelding

Não informado. Journal of Tropical Geography. University of Singapore, Department of Geography, 1958.

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