Soars, L., & Soars, J. (2011). New headway elementary student's book (4th ed.). Oxford University Press.
芝加哥风格引文Soars, Liz, 与 John Soars. New Headway Elementary Student's Book. 4th ed. Oxford: Oxford University Press, 2011.
MLA引文Soars, Liz, 与 John Soars. New Headway Elementary Student's Book. 4th ed. Oxford University Press, 2011.
警告:这些引文格式不一定是100%准确.