Ewusie, J. Y. (1980). Elements of tropical ecology: With reference to the African, Asian, Pacific and New World tropics. Heinemann Educational Books Ltd.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Ewusie, J. Y. Elements of Tropical Ecology: With Reference to the African, Asian, Pacific and New World Tropics. 22 Bedford Square, London WC1B 3HH: Heinemann Educational Books Ltd, 1980.
MLA -ийн эшлэл (9 дэх хэвлэлт)Ewusie, J. Y. Elements of Tropical Ecology: With Reference to the African, Asian, Pacific and New World Tropics. Heinemann Educational Books Ltd, 1980.
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