Não informado. (1975). Quarterly progress and status report. Royal Institute of Technology, Department of Speech Communication and Music Accoustics.
Chicago-referens (17:e uppl.)Não informado. Quarterly Progress and Status Report. Stockholm: Royal Institute of Technology, Department of Speech Communication and Music Accoustics, 1975.
MLA-referens (8:e uppl.)Não informado. Quarterly Progress and Status Report. Royal Institute of Technology, Department of Speech Communication and Music Accoustics, 1975.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.