Watson, R. I., & Lindgren, H. C. (1979). Psychology of the child and the adolescent (4th ed.). Macmillan.
Chicago Style aipamenaWatson, Robert Irving, and Henry Clay Lindgren. Psychology of the Child and the Adolescent. 4th ed. New York: Macmillan, 1979.
MLA aipamenaWatson, Robert Irving, and Henry Clay Lindgren. Psychology of the Child and the Adolescent. 4th ed. Macmillan, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.