@book{52271,
	author = {Levstik, Linda S. and Barton, Keith C.},
	title = {Researching history education :},
	publisher = {Routledge,},
	year = {2008},
	address = {New York :},
	url = {http://www.loc.gov/catdir/toc/ecip0724/2007031879.html}
}