Barela, A. R. d. (1955). Industrial legislation in United States - Caribbean area, Commonwealth of Puerto Rico and the Virgin Islands. Office of Industrial, Labor and Public Relations.
Citace podle Chicago (17th ed.)Barela, Adelaide Romero de. Industrial Legislation in United States - Caribbean Area, Commonwealth of Puerto Rico and the Virgin Islands. San Juan, P.R.: Office of Industrial, Labor and Public Relations, 1955.
Citace podle MLA (8th ed.)Barela, Adelaide Romero de. Industrial Legislation in United States - Caribbean Area, Commonwealth of Puerto Rico and the Virgin Islands. Office of Industrial, Labor and Public Relations, 1955.
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