Griswold, A. L., Keedy, M. L., & Schadt, J. F. (1963). Contemporary algebra and trigonometry. Holt.
Lua i Stíl Chicago (17ú heag.)Griswold, Alice L., M L. Keedy, agus J F. Schadt. Contemporary Algebra and Trigonometry. New York: Holt, 1963.
Lua MLA (9ú heag.)Griswold, Alice L., et al. Contemporary Algebra and Trigonometry. Holt, 1963.
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