(1999). Soil Fertility Initiative for sub-Saharan Africa: Proceedings of the SFI-FAO consultation, Rome, Italy, 19 - 20 November 1998. Food and Agriculture Organization of the United Nations.
Chicago-Zitierstil (17. Ausg.)Soil Fertility Initiative for Sub-Saharan Africa: Proceedings of the SFI-FAO Consultation, Rome, Italy, 19 - 20 November 1998. Rome: Food and Agriculture Organization of the United Nations, 1999.
MLA-Zitierstil (9. Ausg.)Soil Fertility Initiative for Sub-Saharan Africa: Proceedings of the SFI-FAO Consultation, Rome, Italy, 19 - 20 November 1998. Food and Agriculture Organization of the United Nations, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.