ebrary, Inc, & Scherer, M. (2003). Keeping good teachers. Association for Supervision and Curriculum Development.
Chicago (17e ed.) Bronvermeldingebrary, Inc, en Marge Scherer. Keeping Good Teachers. Alexandria, VA: Association for Supervision and Curriculum Development, 2003.
MLA (9e ed.) Bronvermeldingebrary, Inc, en Marge Scherer. Keeping Good Teachers. Association for Supervision and Curriculum Development, 2003.
Let op: Deze citaties zijn niet altijd 100% accuraat.