Frey, N. (2009). The effective teacher's guide: 50 ways for engaging students in learning. Academic Professional Development.
Chicago-Zitierstil (17. Ausg.)Frey, Nancy. The Effective Teacher's Guide: 50 Ways for Engaging Students in Learning. San Diego, CA: Academic Professional Development, 2009.
MLA-Zitierstil (9. Ausg.)Frey, Nancy. The Effective Teacher's Guide: 50 Ways for Engaging Students in Learning. Academic Professional Development, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.