Barbara Sinclaire. (1996). Activate your english: A short course for adults (Pre-intermediate teacher's book). Cambridge, UK: Cambridge Univ. Press.
シカゴスタイル引用形Barbara Sinclaire. Activate Your English: A Short Course for Adults (Pre-intermediate Teacher's Book). Cambridge, UK: Cambridge Univ. Press, 1996.
MLA引用形式Barbara Sinclaire. Activate Your English: A Short Course for Adults (Pre-intermediate Teacher's Book). Cambridge, UK: Cambridge Univ. Press, 1996.
警告: この引用は必ずしも正確ではありません.