Todd, Gail. Using WordPerfect , series 5 edition / Gail Todd. - 5th ed. - Berkeley, Calif. : Osborne McGraw-Hill, c1988. - xix, 585 p. : ill. ISBN: 0078814014 LCCN: 92014279 Subjects--Uniform Titles: WordPerfect (Computer program) Subjects--Topical Terms: Word processing. Dewey Class. No.: 652.5