Near. Widor on Organ Performance Practice and Technique. University of Rochester Press.
Chicago-referens (17:e uppl.)Near. Widor on Organ Performance Practice and Technique. University of Rochester Press.
MLA-referens (9:e uppl.)Near. Widor on Organ Performance Practice and Technique. University of Rochester Press.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.