Machlis, J. (1984). The enjoyment of music: An introduction to perceptive listening (5ª ed.). W.W. Norton.
Lua i Stíl Chicago (17ú heag.)Machlis, Joseph. The Enjoyment of Music: An Introduction to Perceptive Listening. 5ª ed. W.W. Norton, 1984.
Lua MLA (9ú heag.)Machlis, Joseph. The Enjoyment of Music: An Introduction to Perceptive Listening. 5ª ed. W.W. Norton, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.