APA (7th ed.) Zitazioa
Burrough, P. A., & Mcdonnel, R. A. (2014). Principles of geographical information systems. Oxford University Press.
Chicago Style (17th ed.) Zitazioa
Burrough, Peter A., eta Rachael A. Mcdonnel. Principles of Geographical Information Systems. New York, United State: Oxford University Press, 2014.
MLA (9th ed.) Zitazioa
Burrough, Peter A., eta Rachael A. Mcdonnel. Principles of Geographical Information Systems. Oxford University Press, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.