Philippines (Republic) Bureau of Civil Service. Personnel Services Division. (1958). Report on a survey of personnel practices in the National Government. s.n.
Chicago-referens (17:e uppl.)Philippines (Republic) Bureau of Civil Service. Personnel Services Division. Report on a Survey of Personnel Practices in the National Government. Manila: s.n, 1958.
MLA-referens (9:e uppl.)Philippines (Republic) Bureau of Civil Service. Personnel Services Division. Report on a Survey of Personnel Practices in the National Government. s.n, 1958.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.