@book{7004,
	author = {Jolene Gear; Robert Gear. and Gear, Rober.},
	title = {Cambridge preparation for the TOEFL test. / },
	publisher = {Cambridge E. University Press, },
	year = {2006.},
	address = {New York : },
	edition = {Fourth edition.},
	note = {Incluye tabla de contenido.}
}