Youmans, V. (2004). I want to be happy. Chappel Music.
Lua i Stíl Chicago (17ú heag.)Youmans, Vincent. I Want to Be Happy. London: Chappel Music, 2004.
Lua MLA (9ú heag.)Youmans, Vincent. I Want to Be Happy. Chappel Music, 2004.
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