@book{237475,
	author = {Powell, Jason L. and Ebrary inc.},
	title = {Understanding aging},
	publisher = {Novinka},
	year = {2013.},
	series = {Social perspectives of aging},
	address = {New York},
	note = {Instrucciones de uso:recurso electrónico favor presionar sobre URL disponible en la parte inferior. En caso de dudas favor consulte al Bibliotecario.},
	url = {http://site.ebrary.com/lib/pucpr/docDetail.action?docID=10686609}
}