Cohen, D., & Rueger, R. (2003). College algebra (5th ed.). Brooks/Cole - Thomson Learning.
Cita Chicago (17th ed.)Cohen, David, i Ross Rueger. College Algebra. 5th ed. Pacific Grove, CA: Brooks/Cole - Thomson Learning, 2003.
Cita MLA (9th ed.)Cohen, David, i Ross Rueger. College Algebra. 5th ed. Brooks/Cole - Thomson Learning, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.