@book{4819,
	author = {Ruíz, Jairo Francisco,  and Montoya, Álvaro Humberto, },
	title = {El mundo de los hidrocarburos en Colombia / },
	publisher = {Portafolio, },
	year = {©2014},
	address = {Bogotá : },
	note = {Incluye glosario.}
}