Não informado. Swiss technics. Swiss Association of Machinery Manufacturers, Swiss Office for the Development of Trade.
Chicago-referens (17:e uppl.)Não informado. Swiss Technics. Lausanne, Suíça: Swiss Association of Machinery Manufacturers, Swiss Office for the Development of Trade.
MLA-referens (8:e uppl.)Não informado. Swiss Technics. Swiss Association of Machinery Manufacturers, Swiss Office for the Development of Trade.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.