@book{113506,
	author = {Marzano, Robert J.},
	title = {The art and science of teaching :},
	publisher = {Association for Supervision and Curriculum Development,},
	year = {c2007.},
	address = {Alexandria, Va. :},
	url = {http://www.loc.gov/catdir/toc/ecip0711/2007005994.html}
}