Williamson, R., & Johnston, J. H. (1991). Planning for success: Successful implementation of middle level reorganization. National Assoc. of Secondary School Principals.
Chicago-Zitierstil (17. Ausg.)Williamson, Ronald, und J. H. Johnston. Planning for Success: Successful Implementation of Middle Level Reorganization. Reston, Va: National Assoc. of Secondary School Principals, 1991.
MLA-Zitierstil (9. Ausg.)Williamson, Ronald, und J. H. Johnston. Planning for Success: Successful Implementation of Middle Level Reorganization. National Assoc. of Secondary School Principals, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.