Não informado. (1984). The Journal of Logic Programming. Elsevier Science.
Lua i Stíl Chicago (17ú heag.)Não informado. The Journal of Logic Programming. New York: Elsevier Science, 1984.
Lua MLA (8ú heag.)Não informado. The Journal of Logic Programming. Elsevier Science, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.