Gelfand, D. M., Jenson, W. R., & Drew, C. J. (1997). Understanding child behavior disorders (3rd ed.). Forth Worth: Harcourt Brace College.
Παραπομπή Chicago StyleGelfand, Donna M., William R. Jenson, και Clifford J. Drew. Understanding Child Behavior Disorders. 3rd ed. Forth Worth: Harcourt Brace College, 1997.
Παραπομπή MLAGelfand, Donna M., William R. Jenson, και Clifford J. Drew. Understanding Child Behavior Disorders. 3rd ed. Forth Worth: Harcourt Brace College, 1997.
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