Tohutoro APA (7th ed.)
Smith, R. L. (1990). Ecology and field biology (4th ed.). Harper and Row.
Tohutoru Kātū Chicago (17th ed.)
Smith, Robert Leo. Ecology and Field Biology. 4th ed. New York: Harper and Row, 1990.
Tohutoro MLA (9th ed.)
Smith, Robert Leo. Ecology and Field Biology. 4th ed. Harper and Row, 1990.
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