FAO. (2001). FAO agricultural policy and economic development series; N6: Handbook for defining and setting up a food security information and early warning system(FSIEWS). Rome: FAO.
Chicago-tyylinen lähdeviittausFAO. FAO Agricultural Policy and Economic Development Series; N6: Handbook for Defining and Setting Up a Food Security Information and Early Warning System(FSIEWS). Rome: FAO, 2001.
MLA-viiteFAO. FAO Agricultural Policy and Economic Development Series; N6: Handbook for Defining and Setting Up a Food Security Information and Early Warning System(FSIEWS). Rome: FAO, 2001.
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