@book{8886,
	author = {Bassham, Gregory},
	title = {Introduction to Critical thinking :},
	publisher = {McGraw-Hill,},
	year = {2008.},
	address = {Boston :},
	edition = {3rd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0713/2007015071-t.html}
}