Personnel Officers Association of the Philippines, Inc, & Philippines (Republic). (1973). The civil service laws and rules. s.n.
Cita Chicago (17th ed.)Personnel Officers Association of the Philippines, Inc, i Philippines (Republic). The Civil Service Laws and Rules. [Manila: s.n, 1973.
Cita MLA (9th ed.)Personnel Officers Association of the Philippines, Inc, i Philippines (Republic). The Civil Service Laws and Rules. s.n, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.