FAO. (1990). World soil resources reports N.65: Eighth meeting of the East and Southern African sub-committee for soil correlation and evalution. Rome: FAO.
استشهاد بنمط شيكاغوFAO. World Soil Resources Reports N.65: Eighth Meeting of the East and Southern African Sub-committee for Soil Correlation and Evalution. Rome: FAO, 1990.
MLA استشهادFAO. World Soil Resources Reports N.65: Eighth Meeting of the East and Southern African Sub-committee for Soil Correlation and Evalution. Rome: FAO, 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.