@book{457,
	author = {Engler, Barbara.},
	title = {Personality theories :},
	publisher = {Houghton Mifflin,},
	year = {c2006.},
	address = {Boston :},
	edition = {7th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy1513/2004116657-b.html}
}