Soule, G. H. (1928). Wage arbitration, selected cases, 1920-1924. The Macmillan Company.
Lua i Stíl Chicago (17ú heag.)Soule, George Henry. Wage Arbitration, Selected Cases, 1920-1924. New York: The Macmillan Company, 1928.
Lua MLA (8ú heag.)Soule, George Henry. Wage Arbitration, Selected Cases, 1920-1924. The Macmillan Company, 1928.
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