Guide to reference books /    
edited by Eugene P. Sheehy. 
 - 10th ed. 
 - Chicago :   American Library Association,   1986. 
 - xiv, 1560 p. ;    28 cm. 
<br/><br/>  Includes index. 
<br/><br/><label>ISBN: </label>0838903908. 
<br/><br/><label>LCCN: </label>85-011208 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference books --Bibliography.------
<br/><br/><label>Dewey Class. No.: </label>011.02 GUI