Sullivan, M. (2006). Precalculus: Enhanced with graphing utilities (4a. ed.). Pearson Prentice Hall.
Chicago Style (17th ed.) ZitazioaSullivan, Michael. Precalculus: Enhanced with Graphing Utilities. 4a. ed. Upper Saddle River: Pearson Prentice Hall, 2006.
MLA (9th ed.) ZitazioaSullivan, Michael. Precalculus: Enhanced with Graphing Utilities. 4a. ed. Pearson Prentice Hall, 2006.
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