International Board for Plant Genetic Resources & United Nations. Food and Agricultural Organization. (1990). Plant genetic resources - newsletter 78/79 = Resources genetiques vegetales - bulletin 78/79. FAO and Plant Production and Protection Division of the FAO of the United Nations.
Style de citation Chicago (17e éd.)International Board for Plant Genetic Resources et United Nations. Food and Agricultural Organization. Plant Genetic Resources - Newsletter 78/79 = Resources Genetiques Vegetales - Bulletin 78/79. Rome: FAO and Plant Production and Protection Division of the FAO of the United Nations, 1990.
Style de citation MLA (9e éd.)International Board for Plant Genetic Resources et United Nations. Food and Agricultural Organization. Plant Genetic Resources - Newsletter 78/79 = Resources Genetiques Vegetales - Bulletin 78/79. FAO and Plant Production and Protection Division of the FAO of the United Nations, 1990.