Não informado. (1970). Annual fertilizer review. Food and Agriculture Organization of the United Nations.
Lua i Stíl Chicago (17ú heag.)Não informado. Annual Fertilizer Review. Rome: Food and Agriculture Organization of the United Nations, 1970.
Lua MLA (8ú heag.)Não informado. Annual Fertilizer Review. Food and Agriculture Organization of the United Nations, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.