Iowa State University. Center for Agricultural and Economic Development. (1965). Economic development of agriculture: The modernization of farming ([1st ed.].). Iowa State University Press.
Chicago-viite (17. p.)Iowa State University. Center for Agricultural and Economic Development. Economic Development of Agriculture: The Modernization of Farming. [1st ed.]. Ames: Iowa State University Press, 1965.
MLA-viite (9. p.)Iowa State University. Center for Agricultural and Economic Development. Economic Development of Agriculture: The Modernization of Farming. [1st ed.]. Iowa State University Press, 1965.
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