Não informado. (2009). Science, Technology and Innovation. British Library, Science Reference and Information Service.
Citação do estilo Chicago (17ª ed.)Não informado. Science, Technology and Innovation. London: British Library, Science Reference and Information Service, 2009.
Citação MLA (8ª ed.)Não informado. Science, Technology and Innovation. British Library, Science Reference and Information Service, 2009.
警告：這些引文格式不一定是100％准確.