Swan, M. (2005). Practical English usage: International student's edition. Oxford: Oxford University Press.
シカゴスタイル引用形Swan, Michael. Practical English Usage: International Student's Edition. Oxford: Oxford University Press, 2005.
MLA引用形式Swan, Michael. Practical English Usage: International Student's Edition. Oxford: Oxford University Press, 2005.
警告: この引用は必ずしも正確ではありません.