Food and Agriculture Organization of the United Nations. (1983). FAO fertilizer yearbook 1982. Food and Agriculture Organization of the United Nations.
Lua i Stíl Chicago (17ú heag.)Food and Agriculture Organization of the United Nations. FAO Fertilizer Yearbook 1982. Rome: Food and Agriculture Organization of the United Nations, 1983.
Lua MLA (9ú heag.)Food and Agriculture Organization of the United Nations. FAO Fertilizer Yearbook 1982. Food and Agriculture Organization of the United Nations, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.