Estados Unidos. Bureau of Labor Statistics & Estados Unidos. Department of Labor. (1918). Descriptions of occupations: Electrical manufacturing, distribution and maintenance. United States Department of Labour.
Cita Chicago Style (17a ed.)Estados Unidos. Bureau of Labor Statistics y Estados Unidos. Department of Labor. Descriptions of Occupations: Electrical Manufacturing, Distribution and Maintenance. Washington: United States Department of Labour, 1918.
Cita MLA (9a ed.)Estados Unidos. Bureau of Labor Statistics y Estados Unidos. Department of Labor. Descriptions of Occupations: Electrical Manufacturing, Distribution and Maintenance. United States Department of Labour, 1918.
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