Wallwork, A. (2006). International express: Upper-Intermediate. New York: Oxford University Press.
シカゴスタイル引用形Wallwork, Adrian. International Express: Upper-Intermediate. New York: Oxford University Press, 2006.
MLA引用形式Wallwork, Adrian. International Express: Upper-Intermediate. New York: Oxford University Press, 2006.
警告: この引用は必ずしも正確ではありません.