Personnel Officers Association of the Philippines. (2002). The Civil service law and rules. Civil Service ,Personnel Officers Association of the Philippines, Inc. (POAP).
Chicago-viite (17. p.)Personnel Officers Association of the Philippines. The Civil Service Law and Rules. Quezon City: Civil Service ,Personnel Officers Association of the Philippines, Inc. (POAP), 2002.
MLA-viite (9. p.)Personnel Officers Association of the Philippines. The Civil Service Law and Rules. Civil Service ,Personnel Officers Association of the Philippines, Inc. (POAP), 2002.
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