APA aipamena

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 Style aipamena

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 aipamena

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.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.