Franklin

MLA

Wordperfect Workbook for Ibm Personal Computers. Orem, Utah: WordPerfect Corp., 1988.

APA

(1988). WordPerfect workbook for IBM personal computers. Orem, Utah: WordPerfect Corp.

Chicago

Wordperfect Workbook for IBM Personal Computers. Orem, Utah: WordPerfect Corp., 1988.