SAS user's guide :  basic / 
(edited by Alice Allen Ray). 
 - 1982 edition. 
 - Cary, N.C. :  SAS Institute Inc.,  1982. 
 - 923 p. :  ill. ;  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0917382366 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers.<br/>Statistics.<br/>Information systems.