@book{16199,
	author = {Martin, Peggy J. and McGraw-Hill Companies.},
	title = {5 steps to a ap world history 2008-2009 },
	publisher = {McGraw-Hill Companies Inc.,},
	year = {c2008.},
	series = {5 steps to a 5},
	address = {New York :},
	note = {Editions after 2008 are cataloged as a serial in LC.},
	url = {http://www.loc.gov/catdir/enhancements/fy0805/2007046251-b.html}
}