APA-referens (7:e uppl.)

Smith, K. J. (1986). Precalculus mathematics: A functional approach (Third edition.). Brooks/Cole Publishing Company.

Chicago-referens (17:e uppl.)

Smith, Karl J. Precalculus Mathematics: A Functional Approach. Third edition. Pacific Grove, California: Brooks/Cole Publishing Company, 1986.

MLA-referens (9:e uppl.)

Smith, Karl J. Precalculus Mathematics: A Functional Approach. Third edition. Brooks/Cole Publishing Company, 1986.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.