Hopkins, W. S. (1948). Labor in the American economy. New York: McGraw-Hill Book Company, Inc.
シカゴスタイル引用形Hopkins, William Stehen. Labor in the American Economy. New York: McGraw-Hill Book Company, Inc, 1948.
MLA引用形式Hopkins, William Stehen. Labor in the American Economy. New York: McGraw-Hill Book Company, Inc, 1948.
警告: この引用は必ずしも正確ではありません.