Guide to reference material / 
Edited by A. J. Walford. 
 - 2nd ed. 
 - London :  Library Association ,  1970. 
 - vii, 585 p. ;  25 cm. 
<br/><br/>Includes indexes. 
<br/><br/><label>ISBN: </label>853652228 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference books--Bibliography.
<br/><br/><label>Dewey Class. No.: </label>025.52  / GUI 1970