APA-referens (7:e uppl.)

Mussen, P. (1973). The psychological development of the child (2nd ed.). Prentice - hall.

Chicago-referens (17:e uppl.)

Mussen, Paul. The Psychological Development of the Child. 2nd ed. New Jersey: Prentice - hall, 1973.

MLA-referens (9:e uppl.)

Mussen, Paul. The Psychological Development of the Child. 2nd ed. Prentice - hall, 1973.