Não informado. (1974). Science and public policy. Science Policy Foundation.
Lua i Stíl Chicago (17ú heag.)Não informado. Science and Public Policy. London: Science Policy Foundation, 1974.
Lua MLA (8ú heag.)Não informado. Science and Public Policy. Science Policy Foundation, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.