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.
Παραπομπή σε μορφή Chicago (17η εκδ.)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.
Παραπομπή σε μορφή MLA (9th εκδ.)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.