Não informado. (1982). Music Therapy Perspectives. National Association for Music Therapy.
Lua i Stíl Chicago (17ú heag.)Não informado. Music Therapy Perspectives. Silver Spring, Md: National Association for Music Therapy, 1982.
Lua MLA (8ú heag.)Não informado. Music Therapy Perspectives. National Association for Music Therapy, 1982.
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