Mcgowen, B., & Richardson, V. (2001). Clockwise: Pre-intermediate classbook. Oxford: Oxford University Press.
シカゴスタイル引用形Mcgowen, Bruce., , Vic Richardson. Clockwise: Pre-intermediate Classbook. Oxford: Oxford University Press, 2001.
MLA引用形式Mcgowen, Bruce., , Vic Richardson. Clockwise: Pre-intermediate Classbook. Oxford: Oxford University Press, 2001.
警告: この引用は必ずしも正確ではありません.