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.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.