Soars, J., & Soars, L. (1986). Headway: Workbook : Intermediate. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoSoars, John, và Liz Soars. Headway: Workbook : Intermediate. Oxford: Oxford University Press, 1986.
MLA引文Soars, John, và Liz Soars. Headway: Workbook : Intermediate. Oxford: Oxford University Press, 1986.
警告：這些引文格式不一定是100％准確.