Ewusie, J. Y. (1980). Elements of tropical ecology: With reference to the African, Asian, Pacific and new world tropics. HEB.
Lua i Stíl Chicago (17ú heag.)Ewusie, J. Yanney. Elements of Tropical Ecology: With Reference to the African, Asian, Pacific and New World Tropics. London: HEB, 1980.
Lua MLA (9ú heag.)Ewusie, J. Yanney. Elements of Tropical Ecology: With Reference to the African, Asian, Pacific and New World Tropics. HEB, 1980.
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