(2002). American headway; Student book - starter. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoAmerican Headway; Student Book - Starter. Oxford: Oxford University Press, 2002.
MLA引文American Headway; Student Book - Starter. Oxford: Oxford University Press, 2002.
警告:這些引文格式不一定是100%准確.