Swanson, J. P., Parrish, B. D., & Peterson, A. W. (1949). Economic land use classification for Spokane County. State College of Washington, Agricultural Experiment Station].
Cita Chicago Style (17a ed.)Swanson, Jay P., Barnard D. Parrish, y Arthur W. Peterson. Economic Land Use Classification for Spokane County. [Pullman, Wash.: State College of Washington, Agricultural Experiment Station], 1949.
Cita MLA (8a ed.)Swanson, Jay P., et al. Economic Land Use Classification for Spokane County. State College of Washington, Agricultural Experiment Station], 1949.
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