@book{218389,
	author = {Perry, John,},
	title = {Introduction to philosophy :},
	publisher = {Oxford University Press,},
	year = {1993.},
	address = {New York :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0635/91048109-t.html}
}