(1997). Portfolios for teachers in training [videorecording]. Alexandria, VA : Association for Supervision and Curriculum Development.
Chicago-Zitierstil (17. Ausg.)Portfolios for Teachers in Training [videorecording]. Alexandria, VA : Association for Supervision and Curriculum Development, 1997.
MLA-Zitierstil (9. Ausg.)Portfolios for Teachers in Training [videorecording]. Alexandria, VA : Association for Supervision and Curriculum Development, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.