Não informado. (1949). FAO Development Paper on Agriculture. Food and Agriculture Organization of the United Nations.
Citação do estilo Chicago (17ª ed.)Não informado. FAO Development Paper on Agriculture. Rome: Food and Agriculture Organization of the United Nations, 1949.
Citação MLA (8ª ed.)Não informado. FAO Development Paper on Agriculture. Food and Agriculture Organization of the United Nations, 1949.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.