Soars, L., & Soars, J. (2004). New headway: English course :elementary student's book (Intermediate Workbook :with key.). Oxford University Press.
芝加哥风格引文Soars, Liz, 与 John Soars. New Headway: English Course :elementary Student's Book. Intermediate Workbook :with key. Oxford: Oxford University Press, 2004.
MLA引文Soars, Liz, 与 John Soars. New Headway: English Course :elementary Student's Book. Intermediate Workbook :with key. Oxford University Press, 2004.
警告：这些引文格式不一定是100％准确.