Não informado. (1946). Machinist. International Association of Machinists and Aerospace Workers.
Chicago-referens (17:e uppl.)Não informado. Machinist. Washington: International Association of Machinists and Aerospace Workers, 1946.
MLA-referens (8:e uppl.)Não informado. Machinist. International Association of Machinists and Aerospace Workers, 1946.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.