@book{109349,
	author = {Power, Daniel, and ebrary, Inc.},
	title = {The central Middle Ages},
	publisher = {Oxford University Press,},
	year = {2006.},
	series = {The short Oxford history of Europe},
	address = {Oxford ;},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10233735}
}