Citazione Stile APA (7a Edizione)

Wiggins, G. P., & McTighe, J. (2006). Understanding by design (Expanded 2nd ed.). Pearson/Merrill Prentice Hall.

Citazione stile Chigago Style (17a edizione)

Wiggins, Grant P., e Jay McTighe. Understanding by Design. Expanded 2nd ed. Upper Saddle River, N.J: Pearson/Merrill Prentice Hall, 2006.

Citatione MLA (9a ed.)

Wiggins, Grant P., e Jay McTighe. Understanding by Design. Expanded 2nd ed. Pearson/Merrill Prentice Hall, 2006.