Walford's concise guide to reference material 

 - London:   The Library Association,   1981 
 - x, 434p. 
<br/><br/><label>ISBN: </label>085365882X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science
<br/><br/><label>Subjects--Index Terms: </label>Guide 
<br/><br/><label>Universal Decimal Class. No.: </label>D 03(026)   / M1