APA-viite

Soil fertility management in suppor of food sercurity in Sub-Saharan Africa. (2001). Soil fertility management in suppor of food sercurity in Sub-Saharan Africa. Rome, Italy: FAO.

Chicago-tyylinen lähdeviittaus

Soil fertility management in suppor of food sercurity in Sub-Saharan Africa. Soil Fertility Management in Suppor of Food Sercurity in Sub-Saharan Africa. Rome, Italy: FAO, 2001.

MLA-viite

Soil fertility management in suppor of food sercurity in Sub-Saharan Africa. Soil Fertility Management in Suppor of Food Sercurity in Sub-Saharan Africa. Rome, Italy: FAO, 2001.

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