@book{88964,
	author = {Carr, Edward Hallett and Cox, Michael},
	title = {The twenty years' crisis, 1919-1939  an introduction to the study of international relations},
	publisher = {Palgrave},
	year = {2001},
	address = {Houndmills (Hampshire, Inglaterra)},
	url = {http://www.loc.gov/catdir/toc/hol051/2001036149.html}
}