Business communication :
Guffey, Mary Ellen.
Business communication : process and product / Mary Ellen Guffey, Kathleen Rhodes, Patricia Rogin. - 6th Canadian ed. - Toronto : Nelson Education, c2011. - xxiv, 601, [102] p. : ill. ; 26 cm.
Business communication : process and product / Mary Ellen Guffey, Kathleen Rhodes, Patricia Rogin. - 6th Canadian ed. - Toronto : Nelson Education, c2011. - xxiv, 601, [102] p. : ill. ; 26 cm.