APA (7th ed.) Citation

WordPefect Corporation. (1988). Wordperfect for IBM personal computers (version 5.0.). Wordperfect Corporation.

Chicago Style (17th ed.) Citation

WordPefect Corporation. Wordperfect for IBM Personal Computers. version 5.0. Orem, Utah: Wordperfect Corporation, 1988.

MLA (9th ed.) Citation

WordPefect Corporation. Wordperfect for IBM Personal Computers. version 5.0. Wordperfect Corporation, 1988.

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