Scott, Mona L. <br/><br/>
Dewey decimal classification, 21st edition :  a study manual and number building guide / 
Mona L. Scott. 
 - Englewood, Colo. :  Libraries Unlimited,  1998. 
 - ix, 198 p. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references: p. 183-186. 
<br/><br/><label>ISBN: </label>1563085984 (cased) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification, Dewey decimal.