Cita APA (7th ed.)

Larson, R., Hostetler, R. P., Edwards, B. H., & Falvo, D. C. (2007). Precalculus functions and graphs: A graphing approach (5th edition.). Houghton Mifflin Co.

Cita Chicago (17th ed.)

Larson, Ron, Robert P. Hostetler, Bruce H. Edwards, i David C. Falvo. Precalculus Functions and Graphs: A Graphing Approach. 5th edition. Boston, MA: Houghton Mifflin Co, 2007.

Cita MLA (9th ed.)

Larson, Ron, et al. Precalculus Functions and Graphs: A Graphing Approach. 5th edition. Houghton Mifflin Co, 2007.