Beckenbach, E. F., Drooyan, I., & Wooton, W. (1967). Essentials of college algebra. California: Wadsworth publishing company.
Čikaški stil citiranjaBeckenbach, Edwin F., Irving Drooyan, i William Wooton. Essentials of College Algebra. California: Wadsworth publishing company, 1967.
MLA način citiranjaBeckenbach, Edwin F., Irving Drooyan, i William Wooton. Essentials of College Algebra. California: Wadsworth publishing company, 1967.
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