@book{2057,
	author = { Jack C. Richards, Jonathan Hull y Susan Proctor and  Jack C. Richards, Jonathan Hull y Susan Proctor},
	title = { Interchange Full Contact 1 Student's Book with Audio CD/CD-ROM},
	publisher = { Cambridge University Press},
	year = {2006},
	address = {HONG KONG },
	edition = {3RA EDICION }
}