FAO. (1993). World soil resources reports N.74: Global and national digital databases ( soter ): Procedures manual. Rome: FAO.
Chicago Style citaatFAO. World Soil Resources Reports N.74: Global and National Digital Databases ( Soter ): Procedures Manual. Rome: FAO, 1993.
MLA citatieFAO. World Soil Resources Reports N.74: Global and National Digital Databases ( Soter ): Procedures Manual. Rome: FAO, 1993.
Let op: Deze citaties zijn niet altijd 100% accuraat.