Παραπομπή APA

Sullivan, M. (2012). Algebra and trigonometry (9th ed.). Boston.

Παραπομπή Chicago Style

Sullivan, Michael. Algebra and Trigonometry. 9th ed. Prentice Hall: Boston, 2012.

Παραπομπή MLA

Sullivan, Michael. Algebra and Trigonometry. 9th ed. Boston, 2012.