Christy, D. T. (1993). Essentials of precalculus algebra and trigonometry (5th ed.). Wm. C. Brown Publishers.
Chicago Style (17th ed.) CitationChristy, Dennis T. Essentials of Precalculus Algebra and Trigonometry. 5th ed. Dubuque, Iowa: Wm. C. Brown Publishers, 1993.
MLA (9th ed.) CitationChristy, Dennis T. Essentials of Precalculus Algebra and Trigonometry. 5th ed. Wm. C. Brown Publishers, 1993.
Warning: These citations may not always be 100% accurate.