Tohutoro APA (7th ed.)
Guttman, B. S. (1999). Biology. WCB.
Tohutoru Kātū Chicago (17th ed.)
Guttman, Burton S. Biology. Boston: WCB, 1999.
Tohutoro MLA (9th ed.)
Guttman, Burton S. Biology. WCB, 1999.
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