Não informado. (1980). Singapore journal of tropical geography. National University od Singapore, Department of Geography.
Chicago-viite (17. p.)Não informado. Singapore Journal of Tropical Geography. Singapore: National University od Singapore, Department of Geography, 1980.
MLA-viite (8. p.)Não informado. Singapore Journal of Tropical Geography. National University od Singapore, Department of Geography, 1980.
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