Philippines. Department of Labor. Labor Statistics Service. (1967). Collective bargaining agreements. Labor Statistics Service, Department of Labor.
Chicago-viite (17. p.)Philippines. Department of Labor. Labor Statistics Service. Collective Bargaining Agreements. Manila: Labor Statistics Service, Department of Labor, 1967.
MLA-viite (9. p.)Philippines. Department of Labor. Labor Statistics Service. Collective Bargaining Agreements. Labor Statistics Service, Department of Labor, 1967.
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