Gelfand, D. M., Jenson, W. R., & Drew, C. J. (1997). Understanding child behavior disorders (3rd ed.). Forth Worth: Harcourt Brace College.
Chicago Style CitationGelfand, Donna M., William R. Jenson, i Clifford J. Drew. Understanding Child Behavior Disorders. 3rd ed. Forth Worth: Harcourt Brace College, 1997.
Cita MLAGelfand, Donna M., William R. Jenson, i Clifford J. Drew. Understanding Child Behavior Disorders. 3rd ed. Forth Worth: Harcourt Brace College, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.