Capel, A. (2011). Introduction to PET [intermediate]. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoCapel, Annette. Introduction to PET [intermediate]. Oxford: Oxford University Press, 2011.
MLA引文Capel, Annette. Introduction to PET [intermediate]. Oxford: Oxford University Press, 2011.
警告：這些引文格式不一定是100％准確.