@book{2154,
	author = {Wiggins, Grant and McTighe, Jay},
	title = {Understanding by design /},
	publisher = {Pearson Education,},
	year = {2006.},
	series = {Merrill education/ASCD college textbook series},
	address = {Upper Saddle River, NJ :},
	edition = {expanded 2nd},
	note = {Includes bibliography and glossary}
}