World encyclopedia of library and information services 
Robert Wedgeworth, editor 
 - 3rd ed. 
 - Chicago, Ill.  American Library Association  1993 
 - 905 p. : ill. ; 28 cm. 
<br/><br/><label>ISBN: </label>0838906095  RM550.00 
<br/><br/><label>LCCN: </label>93-25159 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science--Encyclopedias<br/>Information science--Encyclopedias