Doff Adrian, & Jones Christopher. (2001). Language in use (photo). American: Cambridge University Press.
シカゴスタイル引用形Doff Adrian, , Jones Christopher. Language in Use (photo). American: Cambridge University Press, 2001.
MLA引用形式Doff Adrian, , Jones Christopher. Language in Use (photo). American: Cambridge University Press, 2001.
警告: この引用は必ずしも正確ではありません.