एपीए उद्धरण

Monippally, M. M. (1997). The craft of business letter writing. Tata McGraw Hill.

शिकागो स्टाइल उद्धरण

Monippally, Mathew M. The Craft of Business Letter Writing. New Delhi: Tata McGraw Hill, 1997.

एमएलए उद्धरण

Monippally, Mathew M. The Craft of Business Letter Writing. Tata McGraw Hill, 1997.