Não informado. (1971). Seed Pathology News. Danish Government Institute of Seed Pathology for Developing Countries.
Lua i Stíl Chicago (17ú heag.)Não informado. Seed Pathology News. Copenhagen: Danish Government Institute of Seed Pathology for Developing Countries, 1971.
Lua MLA (8ú heag.)Não informado. Seed Pathology News. Danish Government Institute of Seed Pathology for Developing Countries, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.