@book{56905,
	author = {Cowling, Maurice.},
	title = {The nature and limits of political science /},
	publisher = {Cambridge University Press,},
	year = {2006.},
	address = {Cambridge :},
	edition = {Digitally printed 1st pbk. version.},
	note = {Originally published: Cambridge, UK : Cambridge University Press, c1963.},
	url = {http://www.loc.gov/catdir/enhancements/fy0661/2006275592-d.html}
}