@book{81917,
	author = {Challen, Suzanna.},
	title = {Measuring change in immigration policy /},
	publisher = {LFB Scholarly Pub. LLC,},
	year = {2014.},
	series = {The new Americans : recent immigration and American society},
	address = {El Paso :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10815505}
}