Não informado. (1971). Seed Pathology News. Danish Government Institute of Seed Pathology for Developing Countries.
Style de citation Chicago (17e éd.)Não informado. Seed Pathology News. Copenhagen: Danish Government Institute of Seed Pathology for Developing Countries, 1971.
Style de citation MLA (8e éd.)Não informado. Seed Pathology News. Danish Government Institute of Seed Pathology for Developing Countries, 1971.
Attention : ces citations peuvent ne pas être correctes à 100%.