Cita APA

Burrough, P. A., & Mc Donnell, R. A. (2010). Principles of geographical information systems.

Chicago Edition Citation

Burrough, Peter A., i Rachael A. Mc Donnell. Principles of Geographical Information Systems. New York, Oxford University Press, 2010.

Cita MLA

Burrough, Peter A., i Rachael A. Mc Donnell. Principles of Geographical Information Systems. 2010.