Gangwer, T. (2009). Visual impact, visual teaching: Using images to strengthen learning (2nd ed.). Corwin Press.
Chicago-Zitierstil (17. Ausg.)Gangwer, Timothy. Visual Impact, Visual Teaching: Using Images to Strengthen Learning. 2nd ed. Thousand Oaks, CA: Corwin Press, 2009.
MLA-Zitierstil (9. Ausg.)Gangwer, Timothy. Visual Impact, Visual Teaching: Using Images to Strengthen Learning. 2nd ed. Corwin Press, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.