@book{153656,
	author = {O’Neil, Will},
	title = {Oil as a strategic factor},
	publisher = {CNA Corporation},
	year = {2001},
	address = {United States of America},
	note = {Página web visitada en enero de 2004. ; Publicado en el sitio web de The CNA Corportation. ; Navegadores de Internet ; Adobe Acrobat (PDF)},
	url = {http://www.cna.org/pdfs/oil_oneil.pdf}
}