Hughes, M. G. (1977). Administrative and professional relationships in educational administration. International Institute for Educational Planning.
Chicago-Zitierstil (17. Ausg.)Hughes, Meredydd G. Administrative and Professional Relationships in Educational Administration. Paris: International Institute for Educational Planning, 1977.
MLA-Zitierstil (9. Ausg.)Hughes, Meredydd G. Administrative and Professional Relationships in Educational Administration. International Institute for Educational Planning, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.