Spikell, M. A. (1993). Teaching mathematics with manipulatives: A resource of activities for the K-12 teachers. Allyn and Bacon.
Chicago-Zitierstil (17. Ausg.)Spikell, Mark A. Teaching Mathematics with Manipulatives: A Resource of Activities for the K-12 Teachers. Boston: Allyn and Bacon, 1993.
MLA-Zitierstil (9. Ausg.)Spikell, Mark A. Teaching Mathematics with Manipulatives: A Resource of Activities for the K-12 Teachers. Allyn and Bacon, 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.