APA (7e ed.) Bronvermelding

HURLOCK, E. B. (1972). Child development.-- Ed.5. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

HURLOCK, Elzabeth B. Child Development.-- Ed.5. New York: McGraw-Hill, 1972.

MLA (9e ed.) Bronvermelding

HURLOCK, Elzabeth B. Child Development.-- Ed.5. McGraw-Hill, 1972.