APA način citiranja (7. izdanje)
McTighe, J., & Wiggins, G. P. (2013). Essential questions: Opening doors to student understanding. ASCD.
Čikaški stil citiranja (17. izdanje)
McTighe, Jay, i Grant P. Wiggins. Essential Questions: Opening Doors to Student Understanding. Alexandria, Va.: ASCD, 2013.
MLA način citiranja (9. izdanje)
McTighe, Jay, i Grant P. Wiggins. Essential Questions: Opening Doors to Student Understanding. ASCD, 2013.
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