एपीए उद्धरण

Dugger, J. (2003). Business letters for busy people (3rd ed.). Jaico.

शिकागो स्टाइल उद्धरण

Dugger, Jim. Business Letters for Busy People. 3rd ed. Mumbai: Jaico, 2003.

एमएलए उद्धरण

Dugger, Jim. Business Letters for Busy People. 3rd ed. Jaico, 2003.