Que Development Corporation. (1993). Using Wordperfect 6 for Windows. Que Development Group.
Chicago Style (17th ed.) CitationQue Development Corporation. Using Wordperfect 6 for Windows. Indianapolis: Que Development Group, 1993.
MLA (9th ed.) CitationQue Development Corporation. Using Wordperfect 6 for Windows. Que Development Group, 1993.
Warning: These citations may not always be 100% accurate.