APA (7e ed.) Bronvermelding
Wiggins, G. P., & McTighe, J. (2011). The understanding by design guide to creating high-quality units. ASCD.
Chicago (17e ed.) Bronvermelding
Wiggins, Grant P., en Jay McTighe. The Understanding by Design Guide to Creating High-quality Units. Alexandria, Va.: ASCD, 2011.
MLA (9e ed.) Bronvermelding
Wiggins, Grant P., en Jay McTighe. The Understanding by Design Guide to Creating High-quality Units. ASCD, 2011.
Let op: Deze citaties zijn niet altijd 100% accuraat.