APA (7e ed.) Bronvermelding

Não informado. (1980). Singapore journal of tropical geography. National University od Singapore, Department of Geography.

Chicago (17e ed.) Bronvermelding

Não informado. Singapore Journal of Tropical Geography. Singapore: National University od Singapore, Department of Geography, 1980.

MLA (8e ed.) Bronvermelding

Não informado. Singapore Journal of Tropical Geography. National University od Singapore, Department of Geography, 1980.

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