Larson, R., Hostetler, R. P., & Hodgkins, D. E. (1997). College algebra: Concepts and models (2nd ed.). D.C. Heath.

Larson, Ron, Robert P. Hostetler, and David E. Hodgkins. College Algebra: Concepts and Models. 2nd ed. Lexington, Mass.: D.C. Heath, 1997.

Larson, Ron, et al. College Algebra: Concepts and Models. 2nd ed. D.C. Heath, 1997.