Cita APA

Penna, J. A. (2009). Graphing calculator manual. Pearson/Addison-Wesley.

Citación estilo Chicago

Penna, Judith A. Graphing Calculator Manual. Boston: Pearson/Addison-Wesley, 2009.

Cita MLA

Penna, Judith A. Graphing Calculator Manual. Pearson/Addison-Wesley, 2009.

Warning: These citations may not always be 100% accurate.