Puchta, H., Stranks, J., & Jones, P. L. (2018). Think B1: Workbook 2. New York: Cambridge University Press.
Trích dẫn kiểu ChicagoPuchta, Herbert, Jeff Stranks, và Peter Lewis Jones. Think B1: Workbook 2. New York: Cambridge University Press, 2018.
Deismireacht MLAPuchta, Herbert, Jeff Stranks, và Peter Lewis Jones. Think B1: Workbook 2. New York: Cambridge University Press, 2018.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.