Não informado. (1951). International Political Science Abstracts. International Political Science Association.
Chicago-Zitierstil (17. Ausg.)Não informado. International Political Science Abstracts. Paris: International Political Science Association, 1951.
MLA-Zitierstil (8. Ausg.)Não informado. International Political Science Abstracts. International Political Science Association, 1951.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.