Scott, L., & Scott, D. (2005). Natural english: Pre - intermediate workbook. Oxford: Oxford Univ. Press.
Trích dẫn kiểu ChicagoScott, Lyn, và David Scott. Natural English: Pre - Intermediate Workbook. Oxford: Oxford Univ. Press, 2005.
Deismireacht MLAScott, Lyn, và David Scott. Natural English: Pre - Intermediate Workbook. Oxford: Oxford Univ. Press, 2005.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.