Minitab : student handbook 
Ryan Jr., Thomas A. 
 -  Duxbury Press.  1976 
 - ix, 341 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>0-87150-359-X 
<br/><br/><label>Dewey Class. No.: </label>001.6424 R95 1976