Galvin, Thomas J. <br/><br/>
Current problems in references services / 
by Thomas J. Galvin. 
 - New York :  Bowker,  1971. 
 - 162 p. 
 - Problems centered approaches to librarianship .
<br/><br/><label>ISBN: </label>0835204251 
<br/><br/><label>Encabezamiento--Tema: </label><br/>SERVICIO DE CONSULTA (BIBLIOTECA)