Twentieth Century Fund. (1953). Employment and wages in the United States. Twentieth Century Fund.
Cita Chicago (17th ed.)Twentieth Century Fund. Employment and Wages in the United States. New York: Twentieth Century Fund, 1953.
Cita MLA (9th ed.)Twentieth Century Fund. Employment and Wages in the United States. Twentieth Century Fund, 1953.
Atenció: Aquestes cites poden no estar 100% correctes.