Não informado. (1986). Science, technology & development. Frank Cass.
Lua i Stíl Chicago (17ú heag.)Não informado. Science, Technology & Development. London: Frank Cass, 1986.
Lua MLA (8ú heag.)Não informado. Science, Technology & Development. Frank Cass, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.