Nystrand, Martin. <br/><br/>
Structure of written communication:   Studies in reciprocity between writers and readers / 
by Martin nystrand. 
 - 2nd ed. 
 - Florida :  Academic press,  1986. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Written communication<br/>Reciprocity principly
<br/><br/><label>Dewey Class. No.: </label>401  / NYS.S