Philippines (Republic). (1958). Compilation of effective labor legislation in the Philippines. s.n.
Chicago-referens (17:e uppl.)Philippines (Republic). Compilation of Effective Labor Legislation in the Philippines. [Manila: s.n, 1958.
MLA-referens (9:e uppl.)Philippines (Republic). Compilation of Effective Labor Legislation in the Philippines. s.n, 1958.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.