Não informado. (1992). Genetic Resources and Crop Evolution. Kluwer Academic Publishers.
Lua i Stíl Chicago (17ú heag.)Não informado. Genetic Resources and Crop Evolution. Dordrecht, Holanda: Kluwer Academic Publishers, 1992.
Lua MLA (8ú heag.)Não informado. Genetic Resources and Crop Evolution. Kluwer Academic Publishers, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.