APA (7e ed.) Bronvermelding

Não informado. (1960). Geomorphological abstracts. Department of Geography, School of Economics and Political Science.

Chicago (17e ed.) Bronvermelding

Não informado. Geomorphological Abstracts. London: Department of Geography, School of Economics and Political Science, 1960.

MLA (8e ed.) Bronvermelding

Não informado. Geomorphological Abstracts. Department of Geography, School of Economics and Political Science, 1960.

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