Larson, R. E., Hostetler, R. P., & Heyd, D. E. (1997). Algebra and trigonometry (4th ed., Instructor's annotated ed.). Houghton Mifflin.
Citace podle Chicago (17th ed.)Larson, Roland E., Robert P. Hostetler, a David E. Heyd. Algebra and Trigonometry. 4th ed., Instructor's annotated ed. Boston, MA: Houghton Mifflin, 1997.
Citace podle MLA (9th ed.)Larson, Roland E., et al. Algebra and Trigonometry. 4th ed., Instructor's annotated ed. Houghton Mifflin, 1997.
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