Não informado. (2009). Science, Technology and Innovation. British Library, Science Reference and Information Service.
Style de citation Chicago (17e éd.)Não informado. Science, Technology and Innovation. London: British Library, Science Reference and Information Service, 2009.
Style de citation MLA (8e éd.)Não informado. Science, Technology and Innovation. British Library, Science Reference and Information Service, 2009.
Attention : ces citations peuvent ne pas être correctes à 100%.