American Psychological Association. Division of Educational Psychology. Educational psychologist. L. Erlbaum Associates, Publishers.
Chicago-Zitierstil (17. Ausg.)American Psychological Association. Division of Educational Psychology. Educational Psychologist. Mahwah, N.J: L. Erlbaum Associates, Publishers.
MLA-Zitierstil (9. Ausg.)American Psychological Association. Division of Educational Psychology. Educational Psychologist. L. Erlbaum Associates, Publishers.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.