Ulrich, H. (1963). A history of music and musical style. Harcourt, Brace & world,inc.
Lua i Stíl Chicago (17ú heag.)Ulrich, Homer. A History of Music and Musical Style. New York: Harcourt, Brace & world,inc, 1963.
Lua MLA (9ú heag.)Ulrich, Homer. A History of Music and Musical Style. Harcourt, Brace & world,inc, 1963.
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