DEMANA, F., & WAITS, B. K. College algebra and trigonometry: A graphing approach.
Lua i Stíl Chicago (17ú heag.)DEMANA, Franklin, agus Bert K. WAITS. College Algebra and Trigonometry: A Graphing Approach. Massachusetts; Addison-Wesley Pub. Co., 1990.
Lua MLA (9ú heag.)DEMANA, Franklin, agus Bert K. WAITS. College Algebra and Trigonometry: A Graphing Approach.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.