APA (7th ed.) Zitazioa
Cohen, D. (1986). Algebra and trigonometry. West Pub. Co..
Chicago Style (17th ed.) Zitazioa
Cohen, David. Algebra and Trigonometry. St. Paul, MN: West Pub. Co., 1986.
MLA (9th ed.) Zitazioa
Cohen, David. Algebra and Trigonometry. West Pub. Co., 1986.
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