Citazione Stile APA (7a Edizione)
Fisher, D., & Frey, N. (2012). Essentials for principals: The school leader's guide to English learners. Solution Tree Press.
Citazione stile Chigago Style (17a edizione)
Fisher, Douglas, e Nancy Frey. Essentials for Principals: The School Leader's Guide to English Learners. Bloomington, Ind.: Solution Tree Press, 2012.
Citatione MLA (9a ed.)
Fisher, Douglas, e Nancy Frey. Essentials for Principals: The School Leader's Guide to English Learners. Solution Tree Press, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.