Broughton, G. (1980). Teaching English as a foreign language (2nd ed.). Routledge.
Lua i Stíl Chicago (17ú heag.)Broughton, Geoffrey. Teaching English as a Foreign Language. 2nd ed. London ; New York: Routledge, 1980.
Lua MLA (9ú heag.)Broughton, Geoffrey. Teaching English as a Foreign Language. 2nd ed. Routledge, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.