FAO. (2000). FAO land and water bulletin; N8: Manual based on the training course " Soil management and conservation - Efficient Tillage helt at IITA, Ibadan, Nigeria 21 April - 1 May 1997,Manual on integrated soil management and conservation practices. Rome: FAO.
Čikaški stil citiranjaFAO. FAO Land and Water Bulletin; N8: Manual Based On the Training Course " Soil Management and Conservation - Efficient Tillage Helt At IITA, Ibadan, Nigeria 21 April - 1 May 1997,Manual On Integrated Soil Management and Conservation Practices. Rome: FAO, 2000.
MLA način citiranjaFAO. FAO Land and Water Bulletin; N8: Manual Based On the Training Course " Soil Management and Conservation - Efficient Tillage Helt At IITA, Ibadan, Nigeria 21 April - 1 May 1997,Manual On Integrated Soil Management and Conservation Practices. Rome: FAO, 2000.