Sober, E. Darwin on natural selection: A philosophical perspective / Elliott Sober. The Darwinian heritage : [incl. proceed. of the Charles Darwin Centenary Conference, Florence Center for the History and Philosophy of Science, June 1982].(1985).
Lua i Stíl Chicago (17ú heag.)Sober, Elliott. "Darwin on Natural Selection: A Philosophical Perspective / Elliott Sober." The Darwinian Heritage : [incl. Proceed. of the Charles Darwin Centenary Conference, Florence Center for the History and Philosophy of Science, June 1982].(1985) .
Lua MLA (8ú heag.)Sober, Elliott. "Darwin on Natural Selection: A Philosophical Perspective / Elliott Sober." The Darwinian Heritage : [incl. Proceed. of the Charles Darwin Centenary Conference, Florence Center for the History and Philosophy of Science, June 1982].(1985), .