Walford, A. J.  <br/><br/>
Walford's concise guide to reference material / 
edited by A.J. Walford. 
 - London  :  Library Association ,  © 1981. 
 - x, 434 p. ;   24 cm. 
<br/><br/> Shortened version of: Guide to reference materials (v. 1, 4th ed., 1979; v. 2-3, 3rd ed., 1975-77).  Includes index. 
<br/><br/><label>ISBN: </label>085365882X 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Reference books--Bibliography.--Great Britain