APA aipamena

Peter A Burrough & McDonnell Rachael A. (1998). Principles of Geographical Information systems. Oxford University Press.

Chicago Style aipamena

Peter A Burrough and McDonnell Rachael A. Principles of Geographical Information Systems. New York: Oxford University Press, 1998.

MLA aipamena

Peter A Burrough and McDonnell Rachael A. Principles of Geographical Information Systems. Oxford University Press, 1998.