Bott, Elizabeth <br/><br/>
Family and social network :  Roles, norms, and external relationships in ordinary urban families / 
Elizabeth Bott. 
 - London :  Tavistock Publications,  1957. 
 - XI, 252 p. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>FAMILIA<br/>REDES SOCIALES<br/>ROLES SOCIALES