George, H. (1941). The science of political economy. New York: Robert Schalkenbach Foundation.
シカゴスタイル引用形George, Henry. The Science of Political Economy. New York: Robert Schalkenbach Foundation, 1941.
MLA引用形式George, Henry. The Science of Political Economy. New York: Robert Schalkenbach Foundation, 1941.
警告: この引用は必ずしも正確ではありません.