Não informado. Social biology and human affairs. British Social Biology Council.
Lua i Stíl Chicago (17ú heag.)Não informado. Social Biology and Human Affairs. London: British Social Biology Council.
Lua MLA (8ú heag.)Não informado. Social Biology and Human Affairs. British Social Biology Council.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.