Não informado. (1976). Egyptian Journal of Agronomy. National Information and Documentation Centre.
Lua i Stíl Chicago (17ú heag.)Não informado. Egyptian Journal of Agronomy. Cairo: National Information and Documentation Centre, 1976.
Lua MLA (8ú heag.)Não informado. Egyptian Journal of Agronomy. National Information and Documentation Centre, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.