Dyfyniad APA

MARTIN, G., & PEAR, J. (1999). Behavior modification: What it is and how to do it.--Ed.6. Prentice Hall.

Dyfyniad Arddull Chicago

MARTIN, Garry, and Joseph PEAR. Behavior Modification: What It Is and How to Do It.--Ed.6. New Jersey: Prentice Hall, 1999.

Dyfyniad MLA

MARTIN, Garry, and Joseph PEAR. Behavior Modification: What It Is and How to Do It.--Ed.6. Prentice Hall, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.