@book{249141,
	author = {Wiggins, Grant P., and McTighe, Jay. and ebrary, Inc.},
	title = {The Understanding by design guide to advanced concepts in creating and reviewing units},
	publisher = {ASCD,},
	year = {c2012.},
	address = {Alexandria, Va. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10547410}
}