Não informado. (2009). Science, Technology and Innovation. British Library, Science Reference and Information Service.
Chicagoスタイル(17版)引用形式Não informado. Science, Technology and Innovation. London: British Library, Science Reference and Information Service, 2009.
MLA(8版)引用形式Não informado. Science, Technology and Innovation. British Library, Science Reference and Information Service, 2009.
警告: この引用は必ずしも正確ではありません.