APA-referens (7:e uppl.)

Vance, E. P. (1973). Modern algebra and trigonometry (3rd ed.). National Bookstore.

Chicago-referens (17:e uppl.)

Vance, Elbridge Putnam. Modern Algebra and Trigonometry. 3rd ed. Manila: National Bookstore, 1973.

MLA-referens (9:e uppl.)

Vance, Elbridge Putnam. Modern Algebra and Trigonometry. 3rd ed. National Bookstore, 1973.