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.
Citazione stile Chigago Style (17a edizione)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.
Citatione MLA (9a ed.)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.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.