Cita APA (7th ed.)
Lial, M. L., & Hornsby, E. J. (2000). Beginning algebra (8th ed.). Addison Wesley.
Cita Chicago (17th ed.)
Lial, Margaret L., i E. John Hornsby. Beginning Algebra. 8th ed. Reading, Mass.: Addison Wesley, 2000.
Cita MLA (9th ed.)
Lial, Margaret L., i E. John Hornsby. Beginning Algebra. 8th ed. Addison Wesley, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.