Food and Agriculture Organization of the United Nations. (1987). Fertilizer strategies. Food and Agriculture Organization of the United Nations.
Chicago-Zitierstil (17. Ausg.)Food and Agriculture Organization of the United Nations. Fertilizer Strategies. Rome: Food and Agriculture Organization of the United Nations, 1987.
MLA-Zitierstil (9. Ausg.)Food and Agriculture Organization of the United Nations. Fertilizer Strategies. Food and Agriculture Organization of the United Nations, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.