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.
Cytowanie według stylu Chicago (wyd. 17)Food and Agriculture Organization of the United Nations i 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.
Cytowanie według stylu MLA (wyd. 8)Food and Agriculture Organization of the United Nations i 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.