Corporation, W. (1989). WORDPERFECT WORKBOOK FOR IBM PERSONAL COMPUTER AND PC NETWORK, VER5SION 5.1. Wordperfect Corporation.
Chicago Style (17th ed.) CitationCorporation, Wordperfect. WORDPERFECT WORKBOOK FOR IBM PERSONAL COMPUTER AND PC NETWORK, VER5SION 5.1. Wordperfect Corporation, 1989.
MLA (8th ed.) CitationCorporation, Wordperfect. WORDPERFECT WORKBOOK FOR IBM PERSONAL COMPUTER AND PC NETWORK, VER5SION 5.1. Wordperfect Corporation, 1989.
Warning: These citations may not always be 100% accurate.