APA-referens (7:e uppl.)

Stewart, J., Panman, P., Redlin, L., & Watson, S. (2016). Algebra and trigonometry (4th ed.). Cengage Learning.

Chicago-referens (17:e uppl.)

Stewart, James, Phyllis Panman, L. Redlin, och Saleem Watson. Algebra and Trigonometry. 4th ed. Australia: Cengage Learning, 2016.

MLA-referens (9:e uppl.)

Stewart, James, et al. Algebra and Trigonometry. 4th ed. Cengage Learning, 2016.