United States. Bureau of Reclamation, Washington State University, Washington Agricultural Experiment Station, United States. Department of Agriculture, & Pacific Northwest Regional Planning Commission. (1945). Types of farming: Columbia Basin joint investigations : problem 2. U.S. Govt. Print. Off..
Style de citation Chicago (17e éd.)United States. Bureau of Reclamation, Washington State University, Washington Agricultural Experiment Station, United States. Department of Agriculture, et Pacific Northwest Regional Planning Commission. Types of Farming: Columbia Basin Joint Investigations : Problem 2. Washington, D.C.: U.S. Govt. Print. Off., 1945.
Style de citation MLA (8e éd.)United States. Bureau of Reclamation, et al. Types of Farming: Columbia Basin Joint Investigations : Problem 2. U.S. Govt. Print. Off., 1945.