Kail, R. V. (2001). Children and their development (2nd ed.). Prentice Hall.
Chicago-Zitierstil (17. Ausg.)Kail, Robert V. Children and Their Development. 2nd ed. Upper Saddle River, N.J: Prentice Hall, 2001.
MLA-Zitierstil (9. Ausg.)Kail, Robert V. Children and Their Development. 2nd ed. Prentice Hall, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.