APA (7e ed.) Bronvermelding

Hurlock, E. B. (1975). Developmental psychology (4th ed.). McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Hurlock, Elizabeth Bergner. Developmental Psychology. 4th ed. New York: McGraw-Hill, 1975.

MLA (9e ed.) Bronvermelding

Hurlock, Elizabeth Bergner. Developmental Psychology. 4th ed. McGraw-Hill, 1975.