Iowa State University. Cooperative Extension Service, Iowa Farm Business Association, & United States. Department of Agriculture. (1934). Iowa farm outlook. Cooperative Extension Service, Iowa State University of Science and Technology.
Citace podle Chicago (17th ed.)Iowa State University. Cooperative Extension Service, Iowa Farm Business Association, a United States. Department of Agriculture. Iowa Farm Outlook. Ames (Iowa): Cooperative Extension Service, Iowa State University of Science and Technology, 1934.
Citace podle MLA (8th ed.)Iowa State University. Cooperative Extension Service, et al. Iowa Farm Outlook. Cooperative Extension Service, Iowa State University of Science and Technology, 1934.
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