Jock R Anderson. (1992). FAO farm systems management series N.2: Risk analysis in dryland farming systems. Rome: FAO.
استشهاد بنمط شيكاغوJock R Anderson. FAO Farm Systems Management Series N.2: Risk Analysis in Dryland Farming Systems. Rome: FAO, 1992.
MLA استشهادJock R Anderson. FAO Farm Systems Management Series N.2: Risk Analysis in Dryland Farming Systems. Rome: FAO, 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.