Philippines (Republic) Bureau of Civil Service. Personnel Services Division. (1958). Report on a survey of personnel practices in the National Government. s.n.
Cita Chicago (17th ed.)Philippines (Republic) Bureau of Civil Service. Personnel Services Division. Report on a Survey of Personnel Practices in the National Government. Manila: s.n, 1958.
Cita MLA (9th ed.)Philippines (Republic) Bureau of Civil Service. Personnel Services Division. Report on a Survey of Personnel Practices in the National Government. s.n, 1958.
Atenció: Aquestes cites poden no estar 100% correctes.