Haas, F. J. (1937). The Wages and Hours of American Labor. New York.
Chicago Style (17th ed.) CitationHaas, Francis J. The Wages and Hours of American Labor. New York, 1937.
MLA引文Haas, Francis J. The Wages and Hours of American Labor. New York, 1937.
警告：這些引文格式不一定是100％准確.