Guffey, Mary Ellen.
Business communication : - 2a ed. - Cincinnati, Ohio, US : South Western College Publishing, ITP, 1997. - 559 p.
0-538-84514-7
Business communication.
658.45 GUF.
Business communication : - 2a ed. - Cincinnati, Ohio, US : South Western College Publishing, ITP, 1997. - 559 p.
0-538-84514-7
Business communication.
658.45 GUF.