Não informado. (1980). Singapore journal of tropical geography. National University od Singapore, Department of Geography.
Chicago-Zitierstil (17. Ausg.)Não informado. Singapore Journal of Tropical Geography. Singapore: National University od Singapore, Department of Geography, 1980.
MLA-Zitierstil (8. Ausg.)Não informado. Singapore Journal of Tropical Geography. National University od Singapore, Department of Geography, 1980.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.