Personnel Officers Association of the Philippines, Inc, & Philippines (Republic). (1973). The civil service laws and rules. s.n.
芝加哥风格引文Personnel Officers Association of the Philippines, Inc, 与 Philippines (Republic). The Civil Service Laws and Rules. [Manila: s.n, 1973.
MLA引文Personnel Officers Association of the Philippines, Inc, 与 Philippines (Republic). The Civil Service Laws and Rules. s.n, 1973.
警告：这些引文格式不一定是100％准确.