Philippines. Civil Service Commission. (1991). Readings/Reference on labor relations in the public sector for use in the Advanced Leadership and Employee Relations Training (ALERT). Office for Personnel Relations.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Philippines. Civil Service Commission. Readings/Reference on Labor Relations in the Public Sector for Use in the Advanced Leadership and Employee Relations Training (ALERT). Manila: Office for Personnel Relations, 1991.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Philippines. Civil Service Commission. Readings/Reference on Labor Relations in the Public Sector for Use in the Advanced Leadership and Employee Relations Training (ALERT). Office for Personnel Relations, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.