Lial, M. L., Miller, C. D., & Schneider, D. I. (1990). Algebra and trigonometry (5th ed.). Scott, Foresman/Little, Brown Higher Education.
Lua i Stíl Chicago (17ú heag.)Lial, Margaret L., Charles David Miller, agus David I. Schneider. Algebra and Trigonometry. 5th ed. Glenview, Ill.: Scott, Foresman/Little, Brown Higher Education, 1990.
Lua MLA (8ú heag.)Lial, Margaret L., et al. Algebra and Trigonometry. 5th ed. Scott, Foresman/Little, Brown Higher Education, 1990.
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