Food and Agriculture Organization of the United Nations. Agriculture Division. An annual review of world production and consumption of fertilizers. s.n.
Chicago-Zitierstil (17. Ausg.)Food and Agriculture Organization of the United Nations. Agriculture Division. An Annual Review of World Production and Consumption of Fertilizers. Rome: s.n.
MLA-Zitierstil (9. Ausg.)Food and Agriculture Organization of the United Nations. Agriculture Division. An Annual Review of World Production and Consumption of Fertilizers. s.n.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.