Lua APA (7ú heag.)
Tregear, P. (2013). Ernst Krenek and the politics of musical style. The Scarecrow Press.
Lua i Stíl Chicago (17ú heag.)
Tregear, Peter. Ernst Krenek and the Politics of Musical Style. Lanham, Maryland: The Scarecrow Press, 2013.
Lua MLA (9ú heag.)
Tregear, Peter. Ernst Krenek and the Politics of Musical Style. The Scarecrow Press, 2013.
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