@book{41516,
	author = {Marczyk, Geoffrey R., and DeMatteo, David,},
	title = {Essentials of research design and methodology /},
	publisher = {John Wiley & Sons,},
	year = {c2005.},
	address = {Hoboken, N.J. :},
	url = {http://www.loc.gov/catdir/toc/wiley051/2004058384.html}
}