@book{153263,
	author = {Martin, Peggy J. and ebrary, Inc.},
	title = {Advanced placement world history},
	publisher = {McGraw-Hill,},
	year = {2005.},
	series = {5 steps to a 5},
	address = {New York :},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10083699}
}