Beatty, M. T., Petersen, G. W., & Swindale, L. D. (1979). Planning the uses and management of land (1st edition.). ASA : SSSA : CSSA.
Cita Chicago Style (17a ed.)Beatty, Marvin T., Gary W. Petersen, y Lester D. Swindale. Planning the Uses and Management of Land. 1st edition. Madison, Wisconsin: ASA : SSSA : CSSA, 1979.
Cita MLA (8a ed.)Beatty, Marvin T., et al. Planning the Uses and Management of Land. 1st edition. ASA : SSSA : CSSA, 1979.
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