Philippines. Bureau of Working Conditions Occupational Safety and Health Division. (2013). Occupational safety and health standards (as amended, 1989). Occupational Safety and Health Division, Department of Labor and Employment.
Chicago Style (17th ed.) CitationPhilippines. Bureau of Working Conditions Occupational Safety and Health Division. Occupational Safety and Health Standards (as Amended, 1989). Intramuros, Manila: Occupational Safety and Health Division, Department of Labor and Employment, 2013.
ציטוט MLAPhilippines. Bureau of Working Conditions Occupational Safety and Health Division. Occupational Safety and Health Standards (as Amended, 1989). Occupational Safety and Health Division, Department of Labor and Employment, 2013.
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