@book{31198,
	author = {Ritchie, Ann. and ebrary, Inc.},
	title = {Continuing professional development},
	publisher = {K.G. Saur,},
	year = {2007.},
	series = {IFLA publications,},
	address = {M�unchen :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10256656}
}