U. S. Bureau of Labor Standards. (1967). Growth of labor law in the United States. U. S. Dept. of Labor.
Chicago Style (17. basım) AtıfU. S. Bureau of Labor Standards. Growth of Labor Law in the United States. [Washington]: U. S. Dept. of Labor, 1967.
MLA (9th ed.) AtıfU. S. Bureau of Labor Standards. Growth of Labor Law in the United States. U. S. Dept. of Labor, 1967.
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