@book{133779,
	author = {Moore, Jonathan. and Churchward, Michael. and ebrary, Inc.},
	title = {Moodle 1.9 extension development},
	publisher = {Packt Open Source,},
	year = {2010.},
	address = {Birmingham, U.K. :},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10439368}
}