Soars, J., & Soars, L. (2003). New Headway: Intermediate student's book (The new edition.). Oxford University Press.
Chicagoスタイル(17版)引用形式Soars, John, , Liz Soars. New Headway: Intermediate Student's Book. The new edition. Oxford: Oxford University Press, 2003.
MLA(8版)引用形式Soars, John, , Liz Soars. New Headway: Intermediate Student's Book. The new edition. Oxford University Press, 2003.
警告: この引用は必ずしも正確ではありません.