Não informado. (1957). British Bulletin of Publications on Latin America, the Caribbean, Portugal and Spain. Hispanic and Luso-Brazilian Councils.
Citação do estilo Chicago (17ª ed.)Não informado. British Bulletin of Publications on Latin America, the Caribbean, Portugal and Spain. London: Hispanic and Luso-Brazilian Councils, 1957.
Citação MLA (8ª ed.)Não informado. British Bulletin of Publications on Latin America, the Caribbean, Portugal and Spain. Hispanic and Luso-Brazilian Councils, 1957.
警告：這些引文格式不一定是100％准確.