APA (7e ed.) Bronvermelding

Schell, R. E. (1975). Developmental psychology today (2nd ed.). Random House.

Chicago (17e ed.) Bronvermelding

Schell, Robert E. Developmental Psychology Today. 2nd ed. San Diego: Random House, 1975.

MLA (9e ed.) Bronvermelding

Schell, Robert E. Developmental Psychology Today. 2nd ed. Random House, 1975.