(1998). World reference base for soil resources (Reprinted.). Food and Agriculture Organization of the United Nations.
Chicago-Zitierstil (17. Ausg.)World Reference Base for Soil Resources. Reprinted. Rome: Food and Agriculture Organization of the United Nations, 1998.
MLA-Zitierstil (9. Ausg.)World Reference Base for Soil Resources. Reprinted. Food and Agriculture Organization of the United Nations, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.