Ulrich, H. (1957). Music: A design for listening. Harcourt.
Lua i Stíl Chicago (17ú heag.)Ulrich, Homer. Music: A Design for Listening. New York: Harcourt, 1957.
Lua MLA (9ú heag.)Ulrich, Homer. Music: A Design for Listening. Harcourt, 1957.
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