Watkins, G. S. 1. . e. (1951). Labor in the American economy. The American Academy of Political and Social Science.
Citace podle Chicago (17th ed.)Watkins, Gordon S 1889- ed. Labor in the American Economy. Philadelphia: The American Academy of Political and Social Science, 1951.
Citace podle MLA (9th ed.)Watkins, Gordon S 1889- ed. Labor in the American Economy. The American Academy of Political and Social Science, 1951.
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