@book{1560,
	author = {Gairns, Ruth and Redman, Stuart},
	title = {Oxford Word Skills: Intermediate},
	publisher = {Oxford University Press,},
	year = {2008},
	address = {Oxford :},
	edition = {1 ed.},
	url = {https://itmsp.museknowledge.com/UOH?qurl=https://libros-uoh.uoh.cl/ESCUELADEEDUCACION/PEDAGOGIAINGLES/Oxfordwordskills/}
}