@book{119483,
	author = {Pika, Joseph A.  and Maltese,  John Anthony,},
	title = {The politics of the presidency /},
	publisher = {CQ Press,},
	year = {2006.},
	address = {Washington, D.C. :},
	edition = {Revised 6th edition},
	url = {http://www.loc.gov/catdir/toc/ecip0513/2005015581.html}
}