Hutchinson, T. (1997). Lifelines: Pre-intermediate workbook. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoHutchinson, Tom. Lifelines: Pre-intermediate Workbook. Oxford: Oxford University Press, 1997.
Deismireacht MLAHutchinson, Tom. Lifelines: Pre-intermediate Workbook. Oxford: Oxford University Press, 1997.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.