Cita APA (7th ed.)

Larson, R. E., David E. Heyd, Hostetler, R. P., & Edwards, B. H. (1995). Precalculus with limits: A graphing approach. D.C. Health.

Cita Chicago (17th ed.)

Larson, Roland E., David E. Heyd, Robert P. Hostetler, i Bruce H. Edwards. Precalculus with Limits: A Graphing Approach. Lexington, Massachusetts: D.C. Health, 1995.

Cita MLA (9th ed.)

Larson, Roland E., et al. Precalculus with Limits: A Graphing Approach. D.C. Health, 1995.