Não informado. (1976). Journal of seed technology. Association of Official Seed Analysts.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Seed Technology. Lincoln, Neb: Association of Official Seed Analysts, 1976.
Lua MLA (8ú heag.)Não informado. Journal of Seed Technology. Association of Official Seed Analysts, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.