@book{225718,
	author = {Horton, William K.},
	title = {E-learning by design},
	publisher = {Jossey Bass},
	year = {2012.},
	address = {San Francisco},
	edition = {2nd ed.},
	note = {Includes index.},
	url = {http://catalogimages.wiley.com/images/db/jimages/9780470900024.jpg}
}