Swan, M. (2009). How english works: A grammar practice book with answers. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoSwan, Micheal. How English Works: A Grammar Practice Book With Answers. Oxford: Oxford University Press, 2009.
Deismireacht MLASwan, Micheal. How English Works: A Grammar Practice Book With Answers. Oxford: Oxford University Press, 2009.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.