Não informado. (1968). Ceres. Food and Agriculture Organization of the United Nations.
Style de citation Chicago (17e éd.)Não informado. Ceres. Rome: Food and Agriculture Organization of the United Nations, 1968.
Style de citation MLA (8e éd.)Não informado. Ceres. Food and Agriculture Organization of the United Nations, 1968.
Attention : ces citations peuvent ne pas être correctes à 100%.