Burrough, P. A., & McDonnell, R. A. (2000). Principles of geographical information systems. Oxford University.
Cita Chicago (17th ed.)Burrough, Peter A., i Rachael A. McDonnell. Principles of Geographical Information Systems. Oxford: Oxford University, 2000.
Cita MLA (9th ed.)Burrough, Peter A., i Rachael A. McDonnell. Principles of Geographical Information Systems. Oxford University, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.