Não informado. (1974). Science and public policy. Science Policy Foundation.
Chicagoスタイル(17版)引用形式Não informado. Science and Public Policy. London: Science Policy Foundation, 1974.
MLA(8版)引用形式Não informado. Science and Public Policy. Science Policy Foundation, 1974.
警告: この引用は必ずしも正確ではありません.