@book{433,
	author = {Planas, Pedro and Friedrich-Ebert-Stiftung (Bonn).},
	title = {Regímenes políticos contemporáneos / },
	publisher = {Fundación Friedrich Ebert,},
	year = {1997.},
	series = {Política y derecho},
	address = {Lima:},
	edition = {2a ed. corregida y aumentada. }
}