Levy, B. N., & Hubbard, . E. (1995). Graphing calculator keystroke guide to accompany the Hubbard/Robinson algebra series. D.C. Heath.
Chicago Style (17th ed.) CitationLevy, Benjamin N., and Elaine Hubbard. Graphing Calculator Keystroke Guide to Accompany the Hubbard/Robinson Algebra Series. Lexington, Mass.: D.C. Heath, 1995.
MLA (8th ed.) CitationLevy, Benjamin N., and Elaine Hubbard. Graphing Calculator Keystroke Guide to Accompany the Hubbard/Robinson Algebra Series. D.C. Heath, 1995.
Warning: These citations may not always be 100% accurate.