Tohutoro APA (7th ed.)
Cohen, D. (1997). Algebra and trigonometry (4th ed.). West Pub. Co..
Tohutoru Kātū Chicago (17th ed.)
Cohen, David. Algebra and Trigonometry. 4th ed. Minneapolis/St. Paul, MN: West Pub. Co., 1997.
Tohutoro MLA (9th ed.)
Cohen, David. Algebra and Trigonometry. 4th ed. West Pub. Co., 1997.
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