Mark, M. L. (1986). Contemporary music education. Schirmer Books.
Lua i Stíl Chicago (17ú heag.)Mark, Michael L. Contemporary Music Education. New York: Schirmer Books, 1986.
Lua MLA (9ú heag.)Mark, Michael L. Contemporary Music Education. Schirmer Books, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.