@book{4095,
	author = {Gay, L. R. and Mills, Geoffrey E.},
	title = {Educational research :},
	publisher = {Merrill/Pearson,},
	year = {2009.},
	address = {Upper Saddle River, N.J. :},
	edition = {9th ed.},
	url = {http://www.loc.gov/catdir/toc/ecip088/2008001686.html}
}