@book{108570,
	author = {Hornberger, Nancy H. and SpringerLink (Service en ligne)},
	title = {Encyclopedia of language and education /},
	publisher = {Springer,},
	year = {2008.},
	series = {Springer reference},
	address = {New York :},
	edition = {2a ed.},
	url = {http://springerlink.com/content/978-0-387-30424-3}
}