@book{27018,
	author = {CCOO},
	title = {Guatemala, tierra de árboles},
	publisher = {Unión Sindical de Madrid Región,},
	year = {2013},
	address = {Madrid :},
	note = {En: Madrid Sindical, n. 180 (junio 2013), p. 14-15},
	url = {http://docpublicos.ccoo.es/cendoc/036927Guatemala.pdf}
}