APA-viite (7. p.)
Wiggins, G. P., & McTighe, J. (2012). The Understanding by design guide to advanced concepts in creating and reviewing units. ASCD.
Chicago-viite (17. p.)
Wiggins, Grant P., ja Jay McTighe. The Understanding by Design Guide to Advanced Concepts in Creating and Reviewing Units. Alexandria, Va.: ASCD, 2012.
MLA-viite (9. p.)
Wiggins, Grant P., ja Jay McTighe. The Understanding by Design Guide to Advanced Concepts in Creating and Reviewing Units. ASCD, 2012.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.