@book{5661,
	author = {Babbie, Earl R.},
	title = {The practice of social research. /},
	publisher = {Australia:},
	year = {Wadsworth Cengage Learning,},
	address = {2013.},
	edition = {13th ed.},
	note = {Includes bibliographical references and index.},
	url = {http://www.loc.gov/catdir/enhancements/fy1506/2011925964-t.html}
}