Rees, P. K., Sparks, F. W., & Rees, C. S. (1981). College algebra (8th ed.). National Book Store.
Lua i Stíl Chicago (17ú heag.)Rees, Paul Klein, Fred Winchell Sparks, agus Charles Sparks Rees. College Algebra. 8th ed. Quezon City: National Book Store, 1981.
Lua MLA (9ú heag.)Rees, Paul Klein, et al. College Algebra. 8th ed. National Book Store, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.