Sullivan. (1995). Wordperfect 6.0: Easy reference guide. South-Western.
Chicago Style (17th ed.) CitationSullivan. Wordperfect 6.0: Easy Reference Guide. Cincinnati, Ohio: South-Western, 1995.
MLA (9th ed.) CitationSullivan. Wordperfect 6.0: Easy Reference Guide. South-Western, 1995.
Warning: These citations may not always be 100% accurate.