Cita APA

Penna, J. A. (2006). Graphing calculator manual: Algebra and Trigonometry: Graphs and Models. Boston: Pearson.

Chicago Style Citation

Penna, Judith A. Graphing Calculator Manual: Algebra and Trigonometry: Graphs and Models. Boston: Pearson, 2006.

Cita MLA

Penna, Judith A. Graphing Calculator Manual: Algebra and Trigonometry: Graphs and Models. Boston: Pearson, 2006.

Atenció: Aquestes cites poden no estar 100% correctes.