Philippines. Office of Compensation and Position Classification. (1997). Index of occupational services, position titles and salary grades ([Rev. ed.].). Compensation and Position Classification Bureau, Department of Budget and Management.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Philippines. Office of Compensation and Position Classification. Index of Occupational Services, Position Titles and Salary Grades. [Rev. ed.]. Manila: Compensation and Position Classification Bureau, Department of Budget and Management, 1997.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Philippines. Office of Compensation and Position Classification. Index of Occupational Services, Position Titles and Salary Grades. [Rev. ed.]. Compensation and Position Classification Bureau, Department of Budget and Management, 1997.