Não informado. (2018). Research in the Teaching of English. National Council of Teachers of English.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Research in the Teaching of English. Urbana, Ill: National Council of Teachers of English, 2018.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Research in the Teaching of English. National Council of Teachers of English, 2018.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.