Directory of library reprographic services :  a world guide / 
compiled and edited by Joseph Z. Nitecki 
 - 7th ed. 
 - RTSD-American Library Association, Westport :  Published for the Reproduction of Library Materials Section,  1978 
 - 222 p. ;  23 cm. 
<br/><br/>Bibliography: p. 221-222 
<br/><br/><label>ISBN: </label>0913672203 
<br/><br/><label>LCCN: </label>7-820413 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Photographic services in libraries--Directories