Lial, M. L., & Hornsby, E. J. (2000). Beginning and intermediate algebra (2nd ed.). Addison-Wesley.
Cita Chicago (17th ed.)Lial, Margaret L., i E. John Hornsby. Beginning and Intermediate Algebra. 2nd ed. Reading, Mass: Addison-Wesley, 2000.
Cita MLA (9th ed.)Lial, Margaret L., i E. John Hornsby. Beginning and Intermediate Algebra. 2nd ed. Addison-Wesley, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.