Ryckman, W. G. <br/><br/>
What do you mean by that?  The art of speaking and writing clearly 
W. G. Ryckman. 
 - Homewood, Ill.  Dow Jones-Irwin  c1980. 
 - ix, 229 p.  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business communication<br/>Commercial correspondence<br/>English language--Business English.