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..
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)United States. Bureau of Reclamation, Washington State University, Washington Agricultural Experiment Station, United States. Department of Agriculture, và Pacific Northwest Regional Planning Commission. Types of Farming: Columbia Basin Joint Investigations : Problem 2. Washington, D.C.: U.S. Govt. Print. Off., 1945.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)United States. Bureau of Reclamation, et al. Types of Farming: Columbia Basin Joint Investigations : Problem 2. U.S. Govt. Print. Off., 1945.