APA način citiranja (7. izdanje)

McTighe, J., & Wiggins, G. (2013). Essential questions: Opening doors to student understanding. ASCD.

Čikaški stil citiranja (17. izdanje)

McTighe, Jay, i Grant Wiggins. Essential Questions: Opening Doors to Student Understanding. Alexandria, Virginia: ASCD, 2013.

MLA način citiranja (9. izdanje)

McTighe, Jay, i Grant Wiggins. Essential Questions: Opening Doors to Student Understanding. ASCD, 2013.