Não informado. (1958). Journal of tropical geography. University of Singapore, Department of Geography.
Chicagoスタイル(17版)引用形式Não informado. Journal of Tropical Geography. Singapore: University of Singapore, Department of Geography, 1958.
MLA(8版)引用形式Não informado. Journal of Tropical Geography. University of Singapore, Department of Geography, 1958.
警告: この引用は必ずしも正確ではありません.