APA (7e ed.) Bronvermelding

Gardner, R. A. (1973). Understanding children. J. Aronson.

Chicago (17e ed.) Bronvermelding

Gardner, Richard A. Understanding Children. New York: J. Aronson, 1973.

MLA (8e ed.) Bronvermelding

Gardner, Richard A. Understanding Children. J. Aronson, 1973.