Martin, G., & Pear, J. (1999). Behavior modification: What it is and how to do it. Prentice Hall.
Cita Chicago (17th ed.)Martin, Garry, i Joseph Pear. Behavior Modification: What It Is and How to Do It. Upper Saddle River, NJ: Prentice Hall, 1999.
Cita MLA (9th ed.)Martin, Garry, i Joseph Pear. Behavior Modification: What It Is and How to Do It. Prentice Hall, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.