Vance, E. P. (1973). Modern algebra and trigonometry (3rd ed.). Addison-Wesley.
Lua i Stíl Chicago (17ú heag.)Vance, Elbridge P. Modern Algebra and Trigonometry. 3rd ed. New York: Addison-Wesley, 1973.
Lua MLA (9ú heag.)Vance, Elbridge P. Modern Algebra and Trigonometry. 3rd ed. Addison-Wesley, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.