Ney, James W. and four others <br/><br/>
Good english purple book :  concepts, skills, experience 

 - Illinois :  Laidlaw Brothers, Publishers  1979 
 - 416  p. 
<br/><br/><label>ISBN: </label>0-8445-2236-8 
<br/><br/><label>Dewey Class. No.: </label>CIR  428 G59b 1979