@book{193588,
	publisher = {BP Amoco},
	year = {26/06/2020},
	address = {Londres},
	note = {Adobe Acrobat (PDF) ; Navegadores de Internet ; Disponible en HTML},
	url = {https://www.bp.com/en/global/corporate/energy-economics/statistical-review-of-world-energy/downloads.html}
}