Jespersen, Otto. <br/><br/>
How to teach a foreign language / 
Otto Jespersen ; Translated from the danish original by Sophia Yhlen-Olsen Bertelsen. 
 - London :  George Allen & Unwin Ltd,  1961. 
 - 194 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching foreign languages