(1965). Economic development of agriculture the modernization of farming. Iowa: Iowa State University Press.
استشهاد بنمط شيكاغوEconomic Development of Agriculture the Modernization of Farming. Iowa: Iowa State University Press, 1965.
MLA استشهادEconomic Development of Agriculture the Modernization of Farming. Iowa: Iowa State University Press, 1965.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.