Dyfyniad APA
McTighe, J., & Wiggins, G. P. (2013). Essential questions: Opening doors to student understanding. ASCD.
Dyfyniad Arddull Chicago
McTighe, Jay, and Grant P. Wiggins. Essential Questions: Opening Doors to Student Understanding. Alexandria, Va.: ASCD, 2013.
Dyfyniad MLA
McTighe, Jay, and Grant P. Wiggins. Essential Questions: Opening Doors to Student Understanding. ASCD, 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.