Não informado. (1973). Teaching political science. Heldref Publications.
Chicago-Zitierstil (17. Ausg.)Não informado. Teaching Political Science. Washington: Heldref Publications, 1973.
MLA-Zitierstil (8. Ausg.)Não informado. Teaching Political Science. Heldref Publications, 1973.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.