Kay, A. W. (1972). Moral development: A psychological study of moral growth from childhood to adolescence Unwin education books.
Chicago-Zitierstil (17. Ausg.)Kay, Albert W. "Moral Development: A Psychological Study of Moral Growth from Childhood to Adolescence." Unwin Education Books 1972.
MLA-Zitierstil (8. Ausg.)Kay, Albert W. "Moral Development: A Psychological Study of Moral Growth from Childhood to Adolescence." Unwin Education Books, 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.