APA (7e ed.) Bronvermelding

Salkind, N. J. (1985). Theories of human development (2nd ed.). John Wiley & Sons.

Chicago (17e ed.) Bronvermelding

Salkind, Neil J. Theories of Human Development. 2nd ed. New York: John Wiley & Sons, 1985.

MLA (9e ed.) Bronvermelding

Salkind, Neil J. Theories of Human Development. 2nd ed. John Wiley & Sons, 1985.