FAO. (1988). World soil resources reports N.60: Soil map of the world. Rome: FAO.
シカゴスタイル引用形FAO. World Soil Resources Reports N.60: Soil Map of the World. Rome: FAO, 1988.
MLA引用形式FAO. World Soil Resources Reports N.60: Soil Map of the World. Rome: FAO, 1988.
警告: この引用は必ずしも正確ではありません.