S Upendran. (2013). Know your English: Words frequently confused. Universities press.
シカゴスタイル引用形S Upendran. Know Your English: Words Frequently Confused. Chennai: Universities press, 2013.
MLA引用形式S Upendran. Know Your English: Words Frequently Confused. Universities press, 2013.
警告: この引用は必ずしも正確ではありません.