Gardner, W. I. (1977). Learning and behavior characteristics of exceptional children and youth: A humanistic behavioral approach (2. pr.). Allyn and Bacon.
Chicago-Zitierstil (17. Ausg.)Gardner, William I. Learning and Behavior Characteristics of Exceptional Children and Youth: A Humanistic Behavioral Approach. 2. pr. Boston [u.a.]: Allyn and Bacon, 1977.
MLA-Zitierstil (9. Ausg.)Gardner, William I. Learning and Behavior Characteristics of Exceptional Children and Youth: A Humanistic Behavioral Approach. 2. pr. Allyn and Bacon, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.