@book{21076,
	author = {Greenstein, Fred I },
	title = {The American party system and the American people},
	publisher = {Prentice-Hall, },
	year = {c1963},
	address = {Englewood Cliffs, N.J. : },
	edition = {1 ed.},
	note = {Los partidos políticos en los Estados Unidos}
}