Não informado. (1987). Norwegian Journal of Agricultural Sciences. Norwegian Agricultural Advisory Centre.
Lua i Stíl Chicago (17ú heag.)Não informado. Norwegian Journal of Agricultural Sciences. As, Noruega: Norwegian Agricultural Advisory Centre, 1987.
Lua MLA (8ú heag.)Não informado. Norwegian Journal of Agricultural Sciences. Norwegian Agricultural Advisory Centre, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.