Hewlett, Barry S. <br/><br/>
Multiple caretaking among african pygmies. 

 - Washington, DC :   American Anthropological Association,   1989. 
 - p.186-192 
 - trimestral 
 - Vol.91, no.1(Mar.1989) 
 - American Anthropologist ;   vol.91, no.1 .
 - Estados Unidos.   American Anthropological Association. .
<br/><br/> Articulo dentro de commentaries.