Waldeck, Jennifer H. Business and professional communication in a digital age / [book] Jennifer H. Waldeck, Patricia Kearney, Timothy G. plax - Australia : Wadsworth/Cengage Learning, c2013. - 377 p. : ill. ISBN: 9781133309840 1133309844 Subjects--Topical Terms: Business communication LC Class. No.: HF5718 / .W157 2013