Luke, R. A. (1980). Teacher-centered in-service education: Planning and products. National Education Association.
Chicago-Zitierstil (17. Ausg.)Luke, Robert A. Teacher-centered In-service Education: Planning and Products. Washington, D.C: National Education Association, 1980.
MLA-Zitierstil (9. Ausg.)Luke, Robert A. Teacher-centered In-service Education: Planning and Products. National Education Association, 1980.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.