APA (7th ed.) Zitazioa
Freud, A., & Yorke, S. C. (1989). Normality and pathology in childhood: Assessments of development ([New ed.].). Karnac Books.
Chicago Style (17th ed.) Zitazioa
Freud, Anna, eta S. Clifford Yorke. Normality and Pathology in Childhood: Assessments of Development. [New ed.]. London: Karnac Books, 1989.
MLA (9th ed.) Zitazioa
Freud, Anna, eta S. Clifford Yorke. Normality and Pathology in Childhood: Assessments of Development. [New ed.]. Karnac Books, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.