Grove, G. (1980). Beethoven and his nine symphonies (3ª ed.). Dover.
Chicago-referens (17:e uppl.)Grove, George. Beethoven and His Nine Symphonies. 3ª ed. Dover, 1980.
MLA-referens (9:e uppl.)Grove, George. Beethoven and His Nine Symphonies. 3ª ed. Dover, 1980.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.