SWAN, M. (2005). Practical English usage. Oxford University Press.
Chicagoスタイル(17版)引用形式SWAN, Michael. Practical English Usage. Oxford University Press, 2005.
MLA(9版)引用形式SWAN, Michael. Practical English Usage. Oxford University Press, 2005.
警告: この引用は必ずしも正確ではありません.