Food and Agriculture Organization of the United Nations & Food and Agriculture Organization of the United Nations. Land and Water Development Division. (1971). Irrigation and drainage paper. Food and Agriculture Organization of the United Nations.
芝加哥风格引文Food and Agriculture Organization of the United Nations 与 Food and Agriculture Organization of the United Nations. Land and Water Development Division. Irrigation and Drainage Paper. Rome,: Food and Agriculture Organization of the United Nations, 1971.
MLA引文Food and Agriculture Organization of the United Nations 与 Food and Agriculture Organization of the United Nations. Land and Water Development Division. Irrigation and Drainage Paper. Food and Agriculture Organization of the United Nations, 1971.