Hill, F. W., & Searight, R. (1972). Study outline and workbook in the elements of music (8th ed.). Brown.
Lua i Stíl Chicago (17ú heag.)Hill, Frank W., agus Roland Searight. Study Outline and Workbook in the Elements of Music. 8th ed. Iowa: Brown, 1972.
Lua MLA (9ú heag.)Hill, Frank W., agus Roland Searight. Study Outline and Workbook in the Elements of Music. 8th ed. Brown, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.