Larson, R., Heyd, D. E., Hostetler, R. P., & Edwards, B. H. (2005). Precalculus with limits: A graphing approach (4th ed.). Houghton Mifflin.
芝加哥风格引文Larson, Ron, David E. Heyd, Robert P. Hostetler, 与 Bruce H. Edwards. Precalculus with Limits: A Graphing Approach. 4th ed. Boston: Houghton Mifflin, 2005.
MLA引文Larson, Ron, et al. Precalculus with Limits: A Graphing Approach. 4th ed. Houghton Mifflin, 2005.
警告：这些引文格式不一定是100％准确.