Dyfyniad APA

Wiggins, G. P., & McTighe, J. (2005). Understanding by design (Expanded 2nd ed.). Association for Supervision and Curriculum Development.

Dyfyniad Arddull Chicago

Wiggins, Grant P., and Jay McTighe. Understanding by Design. Expanded 2nd ed. Alexandria, VA: Association for Supervision and Curriculum Development, 2005.

Dyfyniad MLA

Wiggins, Grant P., and Jay McTighe. Understanding by Design. Expanded 2nd ed. Association for Supervision and Curriculum Development, 2005.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.