Hatfield, F., & Gullette, I. (1970). Individualized Learning in the Flexible School. A Casebook of School Library Services.
Chicago-Zitierstil (17. Ausg.)Hatfield, Frances, und Irene Gullette. Individualized Learning in the Flexible School. A Casebook of School Library Services. 1970.
MLA-Zitierstil (9. Ausg.)Hatfield, Frances, und Irene Gullette. Individualized Learning in the Flexible School. A Casebook of School Library Services. 1970.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.