APA-referens (7:e uppl.)

Spikell, M. A. (1993). Teaching mathematics with manipulatives: A resource of activities for the K-12 teachers. Allyn and Bacon.

Chicago-referens (17:e uppl.)

Spikell, Mark A. Teaching Mathematics with Manipulatives: A Resource of Activities for the K-12 Teachers. Boston: Allyn and Bacon, 1993.

MLA-referens (9:e uppl.)

Spikell, Mark A. Teaching Mathematics with Manipulatives: A Resource of Activities for the K-12 Teachers. Allyn and Bacon, 1993.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.