Dyfyniad APA

Freud, A., & Yorke, S. C. (1989). Normality and pathology in childhood: Assessments of development ([New ed.].). Karnac Books.

Dyfyniad Arddull Chicago

Freud, Anna, and S. Clifford Yorke. Normality and Pathology in Childhood: Assessments of Development. [New ed.]. London: Karnac Books, 1989.

Dyfyniad MLA

Freud, Anna, and S. Clifford Yorke. Normality and Pathology in Childhood: Assessments of Development. [New ed.]. Karnac Books, 1989.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.