APA (7e ed.) Bronvermelding

Smart, M. S., & Smart, R. C. (1978). Preschool children: Development and relationships (2nd ed.). Macmillan.

Chicago (17e ed.) Bronvermelding

Smart, Mollie Stevens, en Russell Cook Smart. Preschool Children: Development and Relationships. 2nd ed. New York: Macmillan, 1978.

MLA (9e ed.) Bronvermelding

Smart, Mollie Stevens, en Russell Cook Smart. Preschool Children: Development and Relationships. 2nd ed. Macmillan, 1978.