@book{150928,
	author = {Marshall, David C. and Odell, E. and ebrary, Inc.},
	title = {Number theory through inquiry},
	publisher = {Mathematical Association of America,},
	year = {2007.},
	address = {Washington, D.C. :},
	edition = {1st ed.},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10733066}
}