Hobson, J. A. (1968). Work and wealth: A human valuation. A.M. Kelley.
Cita Chicago (17th ed.)Hobson, John Atkinson. Work and Wealth: A Human Valuation. New York: A.M. Kelley, 1968.
Cita MLA (9th ed.)Hobson, John Atkinson. Work and Wealth: A Human Valuation. A.M. Kelley, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.