Friedensburg, F., & Gray, L. H. (1911). The practical results of workingmen's insurance in Germany. The Workmen's compensation service and information bureau].
Citace podle Chicago (17th ed.)Friedensburg, F., a Louis H. Gray. The Practical Results of Workingmen's Insurance in Germany. [New York city: The Workmen's compensation service and information bureau], 1911.
Citace podle MLA (8th ed.)Friedensburg, F., a Louis H. Gray. The Practical Results of Workingmen's Insurance in Germany. The Workmen's compensation service and information bureau], 1911.
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