Liebert, R. M. (1982). The early window: Effects of television on children and youth (2nd ed.). Pergamon Press.
Chicago-Zitierstil (17. Ausg.)Liebert, Robert M. The Early Window: Effects of Television on Children and Youth. 2nd ed. New York: Pergamon Press, 1982.
MLA-Zitierstil (9. Ausg.)Liebert, Robert M. The Early Window: Effects of Television on Children and Youth. 2nd ed. Pergamon Press, 1982.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.