Soars, L., Soars, J., & Maris, A. (2012). New Headway: Pre-Intermediate Teacher's Book (cuarta edición.). Oxford University Press.
Chicagoスタイル(17版)引用形式Soars, Liz, John Soars, , Amanda Maris. New Headway: Pre-Intermediate Teacher's Book. cuarta edición. Oxford, United Kingdom: Oxford University Press, 2012.
MLA(9版)引用形式Soars, Liz, et al. New Headway: Pre-Intermediate Teacher's Book. cuarta edición. Oxford University Press, 2012.
警告: この引用は必ずしも正確ではありません.