Não informado. (1970). Annual fertilizer review. Food and Agriculture Organization of the United Nations.
Citação do estilo Chicago (17ª ed.)Não informado. Annual Fertilizer Review. Rome: Food and Agriculture Organization of the United Nations, 1970.
Citação MLA (8ª ed.)Não informado. Annual Fertilizer Review. Food and Agriculture Organization of the United Nations, 1970.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.