Gentry, N. D., & Parks, A. L. (1977). Education of the severely/profoundly handicapped: What is the least restrictive alternative? Learning Concepts.
Chicago-Zitierstil (17. Ausg.)Gentry, N. Dale, und A. Lee Parks. Education of the Severely/profoundly Handicapped: What Is the Least Restrictive Alternative? Austin, Tex: Learning Concepts, 1977.
MLA-Zitierstil (9. Ausg.)Gentry, N. Dale, und A. Lee Parks. Education of the Severely/profoundly Handicapped: What Is the Least Restrictive Alternative? Learning Concepts, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.