Guffey, Mary Ellen Business communication / process & product / Mary Ellen Guffey. - 6th ed. - Mason, OH : South-Western/Cengage Learning, c2008. - xxvi, 525p.: col. ill. ; 29 cm. Includes bibliographical references and index. ISBN: 9780324578683 (instructor's ed.) 0324578687 (instructor's ed.) 9780324542905 (hbk.) 0324542909 (hbk.) 9780324578676 (bk. only) 0324578679 (bk. only) 9780324578348 (access code) 0324578342 (access code) LCCN: 2007939610 Subjects--Topical Terms: Business writing.English language--Business English.Business communication. Dewey Class. No.: 651.7/ / GUF