Hoffer, C. R. (2015). Music listening today (Fifth edition.). Cengage Learning.
Lua i Stíl Chicago (17ú heag.)Hoffer, Charles R. Music Listening Today. Fifth edition. Stamford, Cincinnati: Cengage Learning, 2015.
Lua MLA (9ú heag.)Hoffer, Charles R. Music Listening Today. Fifth edition. Cengage Learning, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.