FAO. (1988). World soil resources reports N.60: Soil map of the world. Rome: FAO.
Čikaški stil citiranjaFAO. World Soil Resources Reports N.60: Soil Map of the World. Rome: FAO, 1988.
MLA način citiranjaFAO. World Soil Resources Reports N.60: Soil Map of the World. Rome: FAO, 1988.
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