Guffey, Mary Ellen. Business communication : process and product/ Mary Ellen Guffey, Kathleen Rhodes, Patricia Rogin - 3rd brief Canadian edition. - Toronto : Nelson Education, 2010. - xvi, 443 pages coloured illustrations, 27 cm. + Includes bibliographical references and index. ISBN: 0176500464 9780176500467 LCCN: 2001057608 Subjects--Topical Terms: Business writing.Business communication. LC Class. No.: HF 5718.3 / .G84 2010 Dewey Class. No.: 651.7