Longley, P., Goodchild, M. F., Maguire, D. J., & Rhind, D. (2015). Geographic information science & systems (Fourth edition.). Wiley.
Cita Chicago Style (17a ed.)Longley, Paul, Michael F. Goodchild, D. J. Maguire, y David Rhind. Geographic Information Science & Systems. Fourth edition. Hoboken, NJ: Wiley, 2015.
Cita MLA (9a ed.)Longley, Paul, et al. Geographic Information Science & Systems. Fourth edition. Wiley, 2015.
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