Dyfyniad APA

Bittinger, M. L., & Beecher, J. A. (1989). Algebra and trigonometry. Addison-Wesley.

Dyfyniad Arddull Chicago

Bittinger, Marvin L., and Judith A. Beecher. Algebra and Trigonometry. Massachusetts: Addison-Wesley, 1989.

Dyfyniad MLA

Bittinger, Marvin L., and Judith A. Beecher. Algebra and Trigonometry. Addison-Wesley, 1989.

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