एपीए उद्धरण

Upendran, S. (2013). Know your English: Words frequently confused. Universities Press.

शिकागो स्टाइल उद्धरण

Upendran, S. Know Your English: Words Frequently Confused. Hyderabad: Universities Press, 2013.

एमएलए उद्धरण

Upendran, S. Know Your English: Words Frequently Confused. Universities Press, 2013.