Tohutoro APA (7th ed.)
Curtis, H. (1983). Biology (4th.ed.). Worth.
Tohutoru Kātū Chicago (17th ed.)
Curtis, Helena. Biology. 4th.ed. New York: Worth, 1983.
Tohutoro MLA (9th ed.)
Curtis, Helena. Biology. 4th.ed. Worth, 1983.
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