Cita APA (7th ed.)

Wiggins, G. P., & McTighe, J. (2011). The understanding by design guide to creating high-quality units. ASCD.

Cita Chicago (17th ed.)

Wiggins, Grant P., i Jay McTighe. The Understanding by Design Guide to Creating High-quality Units. Alexandria, Va.: ASCD, 2011.

Cita MLA (9th ed.)

Wiggins, Grant P., i Jay McTighe. The Understanding by Design Guide to Creating High-quality Units. ASCD, 2011.