Bergreen, R., & Castellini, J. (1963). Study Guide of The Enjoyment of Music. W. W. Norton & Company Inc.
Lua i Stíl Chicago (17ú heag.)Bergreen, Rubin, agus John Castellini. Study Guide of The Enjoyment of Music. W. W. Norton & Company Inc, 1963.
Lua MLA (8ú heag.)Bergreen, Rubin, agus John Castellini. Study Guide of The Enjoyment of Music. W. W. Norton & Company Inc, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.