Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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