Steffensen, A. R., & Johnson, L. M. (1981). Algebra and trigonometry. Scott, Foresman and Company.
Chicagoスタイル(17版)引用形式Steffensen, Arnold R., , L. Murphy Johnson. Algebra and Trigonometry. Glenview, IL: Scott, Foresman and Company, 1981.
MLA(9版)引用形式Steffensen, Arnold R., , L. Murphy Johnson. Algebra and Trigonometry. Scott, Foresman and Company, 1981.
警告: この引用は必ずしも正確ではありません.