(1978). Materials for teaching English to speakers of other languages. London: The British Council, English Teaching Information Centre.
Trích dẫn kiểu ChicagoMaterials for Teaching English to Speakers of Other Languages. London: The British Council, English Teaching Information Centre, 1978.
Trích dẫn MLAMaterials for Teaching English to Speakers of Other Languages. London: The British Council, English Teaching Information Centre, 1978.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.