Popham, W. J. (2001). The truth about testing: An educator's call to action. Association for Supervision & Curriculum Development.
Chicago-Zitierstil (17. Ausg.)Popham, W. James. The Truth About Testing: An Educator's Call to Action. Alexandria, Va: Association for Supervision & Curriculum Development, 2001.
MLA-Zitierstil (9. Ausg.)Popham, W. James. The Truth About Testing: An Educator's Call to Action. Association for Supervision & Curriculum Development, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.