Martin, G., & Pear, J. (1992). Behavior modification: What it is and how to do it (4th ed.). Prentice-Hall.
Cita Chicago Style (17a ed.)Martin, Garry, y Joseph Pear. Behavior Modification: What It Is and How to Do It. 4th ed. Englewood Cliffs, N.J: Prentice-Hall, 1992.
Cita MLA (9a ed.)Martin, Garry, y Joseph Pear. Behavior Modification: What It Is and How to Do It. 4th ed. Prentice-Hall, 1992.
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