@book{149161,
	author = {De Raadt, Michael. and ebrary, Inc.},
	title = {Moodle 1.9 top extensions cookbook},
	publisher = {Packt,},
	year = {2010.},
	address = {Birmingham, U.K. :},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10435405}
}