Penna, J. A. (2001). Graphing calculator manual. [s.L]: Boston: Addison Wesley.
Chicago Style CitationPenna, Judith A. Graphing Calculator Manual. [s.L]: Boston: Addison Wesley, 2001.
MLA CitationPenna, Judith A. Graphing Calculator Manual. [s.L]: Boston: Addison Wesley, 2001.
Warning: These citations may not always be 100% accurate.