Booker, M. (1980). Music in the twentieth century: Composers and their works. Stockwell.
Lua i Stíl Chicago (17ú heag.)Booker, Mary. Music in the Twentieth Century: Composers and Their Works. Ilfracombe: Stockwell, 1980.
Lua MLA (9ú heag.)Booker, Mary. Music in the Twentieth Century: Composers and Their Works. Stockwell, 1980.
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