Lillard, Paula Polk. <br/><br/>
Un enfoque moderno al método Montessori 
Paula Polk Lillard ; traducción de Guillermina Meaney. 
 - 1. ed. 
 - México  Editorial Diana  1977. 
 - 214 p.  ill.  22 cm. 
<br/><br/> Translation of : Montessori, a modern approach.  Includes index. 
<br/><br/>Bibliography : p. 207-209. 
<br/><br/><label>ISBN: </label>9681308689 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Montessori Method of Education