@book{270912,
	author = {Cottrell, Stella.},
	title = {Critical thinking skills :},
	publisher = {Palgrave Macmillan,},
	year = {©2011},
	address = {New York :},
	edition = {Second edition},
	url = {http://www.loc.gov/catdir/enhancements/fy1101/2005051171-b.html}
}