Cita APA (7th ed.)
McHale, T. J., Christenson, A. A., & Roberts, K. J. (1986). Intermediate algebra programmed. Addison-Wesley.
Cita Chicago (17th ed.)
McHale, Thomas J., Allan A. Christenson, i Keith J. Roberts. Intermediate Algebra Programmed. Reading, Mass.: Addison-Wesley, 1986.
Cita MLA (9th ed.)
McHale, Thomas J., et al. Intermediate Algebra Programmed. Addison-Wesley, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.