Requa, M. L. (1925). The relation of government to industry. The Macmillan Company.
Lua i Stíl Chicago (17ú heag.)Requa, Mark Lawrence. The Relation of Government to Industry. New York: The Macmillan Company, 1925.
Lua MLA (9ú heag.)Requa, Mark Lawrence. The Relation of Government to Industry. The Macmillan Company, 1925.
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