International Labour Organisation & Philippines. Department of Labor and Employment, International Labors Affairs Service. (1999). ILO conventions and Philippine laws: The ratified and core ILO conventions : annotated with Philippine laws and regulations. International Labor Affairs Service, Dept. of Labor and Employment.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Labour Organisation و International Labors Affairs Service Philippines. Department of Labor and Employment. ILO Conventions and Philippine Laws: The Ratified and Core ILO Conventions : Annotated with Philippine Laws and Regulations. Manila: International Labor Affairs Service, Dept. of Labor and Employment, 1999.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)International Labour Organisation و International Labors Affairs Service Philippines. Department of Labor and Employment. ILO Conventions and Philippine Laws: The Ratified and Core ILO Conventions : Annotated with Philippine Laws and Regulations. International Labor Affairs Service, Dept. of Labor and Employment, 1999.