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..
Cita Chicago Style (17a ed.)United States. Bureau of Reclamation, Washington State University, Washington Agricultural Experiment Station, United States. Department of Agriculture, y Pacific Northwest Regional Planning Commission. Types of Farming: Columbia Basin Joint Investigations : Problem 2. Washington, D.C.: U.S. Govt. Print. Off., 1945.
Cita MLA (8a ed.)United States. Bureau of Reclamation, et al. Types of Farming: Columbia Basin Joint Investigations : Problem 2. U.S. Govt. Print. Off., 1945.