Gordon-Holliday, B. W., Yunker, L. E., Crosswhite, F. J., & Vannatta, G. D. (1999). Glencoe advanced mathematical concepts: Precalculus with applications. Glencoe/McGraw-Hill.

Gordon-Holliday, Berchie W., Lee E. Yunker, F. Joe Crosswhite, and Glen D. Vannatta. Glencoe Advanced Mathematical Concepts: Precalculus with Applications. New York, N.Y.: Glencoe/McGraw-Hill, 1999.

Gordon-Holliday, Berchie W., et al. Glencoe Advanced Mathematical Concepts: Precalculus with Applications. Glencoe/McGraw-Hill, 1999.