Cita APA (7th ed.)

Schminke, C. W., & Dumas, E. (1981). Math activities for child involvement (3a. ed.). Allyn and Bacon.

Cita Chicago (17th ed.)

Schminke, Clarence W., i Enoch Dumas. Math Activities for Child Involvement. 3a. ed. Boston: Allyn and Bacon, 1981.

Cita MLA (9th ed.)

Schminke, Clarence W., i Enoch Dumas. Math Activities for Child Involvement. 3a. ed. Allyn and Bacon, 1981.