Great Britain. Ministry of Labour and National Service. (1952). National employment services, Great Britain. s.n.
Chicago-referens (17:e uppl.)Great Britain. Ministry of Labour and National Service. National Employment Services, Great Britain. Geneva: s.n, 1952.
MLA-referens (9:e uppl.)Great Britain. Ministry of Labour and National Service. National Employment Services, Great Britain. s.n, 1952.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.