Não informado. (2008). NATE Classroom. National Association for the Teaching of English.
Chicago-referens (17:e uppl.)Não informado. NATE Classroom. Sheffield, Inglaterra: National Association for the Teaching of English, 2008.
MLA-referens (8:e uppl.)Não informado. NATE Classroom. National Association for the Teaching of English, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.