Erbes, R. L. (1986). Certification practices and trends in music teacher education, 1985-86. Music Educators National Conference.
Chicago-Zitierstil (17. Ausg.)Erbes, Robert L. Certification Practices and Trends in Music Teacher Education, 1985-86. Reston, Va: Music Educators National Conference, 1986.
MLA-Zitierstil (9. Ausg.)Erbes, Robert L. Certification Practices and Trends in Music Teacher Education, 1985-86. Music Educators National Conference, 1986.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.