APA Citation

(1989). Wordperfect Workbook: For IBM personal computers, version 5.1. Utah: WordPerfect.

Chicago Style Citation

Wordperfect Workbook: For IBM Personal Computers, Version 5.1. Utah: WordPerfect, 1989.

MLA Citation

Wordperfect Workbook: For IBM Personal Computers, Version 5.1. Utah: WordPerfect, 1989.

Warning: These citations may not always be 100% accurate.