@book{120463,
	author = {Bergmann, Jonathan. and Sams, Aaron.},
	title = {Flip your classroom :},
	publisher = {International Society for Technology in Education,},
	year = {[2012]},
	address = {Eugene, Oregon :},
	edition = {First edition.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10759765}
}