Gabriel, R. H. (1956). The Course of American Democratic Thought. New York: Ronald Press Co..
シカゴスタイル引用形Gabriel, Ralph Henry. The Course of American Democratic Thought. New York: Ronald Press Co., 1956.
MLA引用形式Gabriel, Ralph Henry. The Course of American Democratic Thought. New York: Ronald Press Co., 1956.
警告: この引用は必ずしも正確ではありません.