Prytherch, Ray <br/><br/>
Sources of information in librarianship and information science  [Texte imprimé] / 
Ray Prytherch 
 - Aldershot:  Gower,  1983 
<br/><br/>Bibliogr. p. 173-176 
<br/><br/><label>ISBN: </label>0-566-03436-0 
<br/><br/><label>Dewey Class. No.: </label>020