APA (7e ed.) Bronvermelding
ebrary, Inc, & Sornson, R. (2001). Preventing early learning failure. Association for Supervision & Curriculum Development.
Chicago (17e ed.) Bronvermelding
ebrary, Inc, en Robert Sornson. Preventing Early Learning Failure. Alexandria, Va.: Association for Supervision & Curriculum Development, 2001.
MLA (9e ed.) Bronvermelding
ebrary, Inc, en Robert Sornson. Preventing Early Learning Failure. Association for Supervision & Curriculum Development, 2001.
Let op: Deze citaties zijn niet altijd 100% accuraat.