एपीए उद्धरण

(1993). Wordperfect for windows. Prisma computer course.

शिकागो स्टाइल उद्धरण

Wordperfect for Windows. London: Prisma computer course, 1993.

एमएलए उद्धरण

Wordperfect for Windows. Prisma computer course, 1993.