APA-referens (7:e uppl.)

Larson, R. E. (1989). Algebra and Trigonometry (2nd ed.). D.C. Heath and Co..

Chicago-referens (17:e uppl.)

Larson, Roland E. Algebra and Trigonometry. 2nd ed. Lexington: D.C. Heath and Co., 1989.

MLA-referens (9:e uppl.)

Larson, Roland E. Algebra and Trigonometry. 2nd ed. D.C. Heath and Co., 1989.