@book{32477,
	author = {Richards, Jack C. and Hull, Jonathan,},
	title = {Interchange /},
	publisher = {Cambridge University Press },
	year = {2013},
	address = {Cambridge, UK },
	edition = {4th ed.},
	note = {Incluye: Student's book, Video activity worksheets, Workbook, y Self-study DVD-ROM},
	url = {Descripción de la editorial}
}