Bartle, G. A. (1991). International directory of music education: Details of higher music and music educations and music education qualifications. C.I.R.C.M.E. The University of Western Australia.
Chicago-Zitierstil (17. Ausg.)Bartle, Graham A. International Directory of Music Education: Details of Higher Music and Music Educations and Music Education Qualifications. C.I.R.C.M.E. The University of Western Australia, 1991.
MLA-Zitierstil (9. Ausg.)Bartle, Graham A. International Directory of Music Education: Details of Higher Music and Music Educations and Music Education Qualifications. C.I.R.C.M.E. The University of Western Australia, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.