Não informado. (2003). Knowledge Acquisition. Academic Press.
Lua i Stíl Chicago (17ú heag.)Não informado. Knowledge Acquisition. London: Academic Press, 2003.
Lua MLA (8ú heag.)Não informado. Knowledge Acquisition. Academic Press, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.