@book{9360,
	author = {Mitchell, Mark L. and Jolley, Janina M.},
	title = {Research design explained /},
	publisher = {Cengage Learning,},
	year = {2010.},
	address = {Australia ;},
	edition = {7th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy1104/2008943371-b.html}
}