एपीए उद्धरण

(1990). Shool of Management Introduction to Drawperfect. U.S.A: Wordperfect Corporation.

शिकागो स्टाइल उद्धरण

Shool of Management Introduction to Drawperfect. U.S.A: Wordperfect Corporation, 1990.

एमएलए उद्धरण

Shool of Management Introduction to Drawperfect. U.S.A: Wordperfect Corporation, 1990.