Haas, F. J. (1937). The Wages and Hours of American Labor. New York.
Chicagoスタイル(17版)引用形式Haas, Francis J. The Wages and Hours of American Labor. New York, 1937.
MLA(8版)引用形式Haas, Francis J. The Wages and Hours of American Labor. New York, 1937.
警告: この引用は必ずしも正確ではありません.