Litton, Gaston <br/><br/>
Cómo orientar al lector 
[por] Gaston Litton. 
 - [Buenos Aires]  Bowker Editores Argentina  [1971] 
 - 218 p.  18 cm. 
 - Breviarios del bibliotecario .
<br/><br/>Bibliography: p. [213] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Libraries and readers<br/>Library orientation