Iowa State University. Center for Agricultural and Economic Development. (1965). Economic development of agriculture: The modernization of farming ([1st ed.].). Iowa State University Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)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 -ийн эшлэл (9 дэх хэвлэлт)Iowa State University. Center for Agricultural and Economic Development. Economic Development of Agriculture: The Modernization of Farming. [1st ed.]. Iowa State University Press, 1965.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.