@book{47595,
	author = {Beins, Bernard},
	title = {Research methods :},
	publisher = {Pearson/A&B,},
	year = {c2009},
	address = {Boston :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/toc/ecip0823/2008031390.html}
}