Não informado. (1951). International Political Science Abstracts. International Political Science Association.
Citação do estilo Chicago (17ª ed.)Não informado. International Political Science Abstracts. Paris: International Political Science Association, 1951.
Citação MLA (8ª ed.)Não informado. International Political Science Abstracts. International Political Science Association, 1951.
警告：这些引文格式不一定是100％准确.