@book{158306,
	author = {Puerto Rico.},
	title = {Informe oficial sobre la votación del plebiscito de 1967},
	publisher = {Junta Estatal de Elecciones},
	year = {1967.},
	address = {[San Juan]},
	note = {Added t. p.: Official report on the plebiscite of 1967 on the political status of Puerto Rico, held July 23, 1967.}
}