nam a22 7a 4500 25281 25281 170131b xxu||||| |||| 00| 0 eng d 9781285131566 1285131568 HF 5721 .G84 2013 Guffey, Mary Ellen Essentials of business communication/ Mary Ellen Guffey. 9th ed. Australia : Cengage Learning, 2013. xxiv, 484[75]p. : col. ill. ; 28 cm Communication lcc BOOKS HF 5721 .G84 2013