@book{160072,
	author = {American Petroleum Institute, API},
	title = {The API Composite List},
	publisher = {American Petroleum Institute, API},
	year = {2004},
	address = {[s.l.]},
	note = {Página visitada en Abril de 2004 ; Adobe Acrobat (PDF) ; Navegadores de Internet},
	url = {http://compositelist.api.org/}
}