Soars, J., & Soars, L. (2003). New headway: Advanced Student's book. Oxford University Press.
Chicagoスタイル(17版)引用形式Soars, John, , Liz Soars. New Headway: Advanced Student's Book. New York: Oxford University Press, 2003.
MLA(8版)引用形式Soars, John, , Liz Soars. New Headway: Advanced Student's Book. Oxford University Press, 2003.
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