(2000). The portfolio standard: How students can show us what they know and are able to do. Heinemann.
Chicago-Zitierstil (17. Ausg.)The Portfolio Standard: How Students Can Show Us What They Know and Are Able to Do. Portsmouth, NH: Heinemann, 2000.
MLA-Zitierstil (9. Ausg.)The Portfolio Standard: How Students Can Show Us What They Know and Are Able to Do. Heinemann, 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.