FAO. (1993). World soil resources reports N.74: Global and national digital databases ( soter ): Procedures manual. Rome: FAO.
Style de citation ChicagoFAO. World Soil Resources Reports N.74: Global and National Digital Databases ( Soter ): Procedures Manual. Rome: FAO, 1993.
Style de citation MLAFAO. World Soil Resources Reports N.74: Global and National Digital Databases ( Soter ): Procedures Manual. Rome: FAO, 1993.
Attention : ces citations peuvent ne pas être correctes à 100%.