Não informado. (1980). Singapore journal of tropical geography. National University od Singapore, Department of Geography.
Cita Chicago Style (17a ed.)Não informado. Singapore Journal of Tropical Geography. Singapore: National University od Singapore, Department of Geography, 1980.
Cita MLA (8a ed.)Não informado. Singapore Journal of Tropical Geography. National University od Singapore, Department of Geography, 1980.
Precaución: Estas citas no son 100% exactas.