Penna, J. A. (2006). Graphing calculator manual: Algebra and Trigonometry: Graphs and Models. Boston: Pearson.
シカゴスタイル引用形Penna, Judith A. Graphing Calculator Manual: Algebra and Trigonometry: Graphs and Models. Boston: Pearson, 2006.
MLA引用形式Penna, Judith A. Graphing Calculator Manual: Algebra and Trigonometry: Graphs and Models. Boston: Pearson, 2006.
警告: この引用は必ずしも正確ではありません.