Sheldon, George. WordPerfect for Windows at work / [electronic resource] George Sheldon. - Reading, Mass. : Addison-Wesley Pub. Co., c1992. - xxii, 567 p. : ill. ; 24 cm. Includes index. ISBN: 0201577984 : $24.95 ($31.95 Can.) 9780201577983 LCCN: 91042453 Subjects--Uniform Titles: WordPerfect (Computer file) Subjects--Topical Terms: Word processing. LC Class. No.: Z52.5.W65 / S45 1992 Dewey Class. No.: 652.5/536