APA (7th ed.) Zitazioa
Burrough, P. A., McDonnel, R. A., & Lloyd, C. D. (2015). Principles of Geographical Information Systems (3rd ed.). Oxford University Press.
Chicago Style (17th ed.) Zitazioa
Burrough, Peter A., Rachael A. McDonnel, eta Christopher D. Lloyd. Principles of Geographical Information Systems. 3rd ed. New Delhi: Oxford University Press, 2015.
MLA (9th ed.) Zitazioa
Burrough, Peter A., et al. Principles of Geographical Information Systems. 3rd ed. Oxford University Press, 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.