Não informado. (1980). British Journal of Language Teaching. British Association for Language Teaching.
Chicago-Zitierstil (17. Ausg.)Não informado. British Journal of Language Teaching. Oxford, Inglaterra: British Association for Language Teaching, 1980.
MLA-Zitierstil (8. Ausg.)Não informado. British Journal of Language Teaching. British Association for Language Teaching, 1980.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.