Não informado. (2004). International Hospital Equipment and Services. Philip King.
Chicago-referens (17:e uppl.)Não informado. International Hospital Equipment and Services. Letchworth Herts, Inglaterra: Philip King, 2004.
MLA-referens (8:e uppl.)Não informado. International Hospital Equipment and Services. Philip King, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.