Doughty, P. S., Pearce, J., & Thornton, G. (1981). Language in use: Schools Council Programme in Linguistics and English Teaching (Reprint.). Arnold.
Chicago-Zitierstil (17. Ausg.)Doughty, Peter Symonds, John Pearce, und Geoffrey Thornton. Language in Use: Schools Council Programme in Linguistics and English Teaching. Reprint. London: Arnold, 1981.
MLA-Zitierstil (9. Ausg.)Doughty, Peter Symonds, et al. Language in Use: Schools Council Programme in Linguistics and English Teaching. Reprint. Arnold, 1981.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.