BBC News. „How the Spectrum began a revolution”, British Broadcasting Corporation of Broadcasting House, 2007. április 23.. [2009. január 12-i dátummal az eredetiből archiválva] (Hozzáférés: 2015. március 31.) „The Spectrum's reign as the UK's most popular computer was brief but its legacy and the affection in which it is held remains to this day.”
web.archive.org
BBC News. „How the Spectrum began a revolution”, British Broadcasting Corporation of Broadcasting House, 2007. április 23.. [2009. január 12-i dátummal az eredetiből archiválva] (Hozzáférés: 2015. március 31.) „The Spectrum's reign as the UK's most popular computer was brief but its legacy and the affection in which it is held remains to this day.”
