FAO. (1995). World soil resources reports N.80: Soil survey: Perspectives and strategies for the 21st century. Rome: FAO.
Trích dẫn kiểu ChicagoFAO. World Soil Resources Reports N.80: Soil Survey: Perspectives and Strategies for the 21st Century. Rome: FAO, 1995.
MLA引文FAO. World Soil Resources Reports N.80: Soil Survey: Perspectives and Strategies for the 21st Century. Rome: FAO, 1995.
警告:这些引文格式不一定是100%准确.