Penna, J. A. (2009). Graphing calculator manual. Pearson/Addison-Wesley.
Chicago Style (17th ed.) CitationPenna, Judith A. Graphing Calculator Manual. Boston: Pearson/Addison-Wesley, 2009.
MLA (9th ed.) CitationPenna, Judith A. Graphing Calculator Manual. Pearson/Addison-Wesley, 2009.
Warning: These citations may not always be 100% accurate.