Soars, L., & Soars, J. (1994). Headway Elementary: Workbook. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoSoars, Liz, và John Soars. Headway Elementary: Workbook. Oxford: Oxford University Press, 1994.
MLA引文Soars, Liz, và John Soars. Headway Elementary: Workbook. Oxford: Oxford University Press, 1994.
警告：這些引文格式不一定是100％准確.