Johnson, D. J. (1997). Choral techniques: Beyond the basics : practical suggestions for choral conductors of school groups and community and church choirs. Neil A. Kjos Music.
Chicago-referens (17:e uppl.)Johnson, Deral J. Choral Techniques: Beyond the Basics : Practical Suggestions for Choral Conductors of School Groups and Community and Church Choirs. San Diego, Calif: Neil A. Kjos Music, 1997.
MLA-referens (9:e uppl.)Johnson, Deral J. Choral Techniques: Beyond the Basics : Practical Suggestions for Choral Conductors of School Groups and Community and Church Choirs. Neil A. Kjos Music, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.