APA (7e ed.) Bronvermelding

Berk, L. E. (1997). Child development (4th.ed.). Allyn and Bacon.

Chicago (17e ed.) Bronvermelding

Berk, Laura E. Child Development. 4th.ed. Boston: Allyn and Bacon, 1997.

MLA (9e ed.) Bronvermelding

Berk, Laura E. Child Development. 4th.ed. Allyn and Bacon, 1997.