Lua APA (7ú heag.)

Burrough, P. R. &. M. (2015). Principles of Geographical Information Systems (01st.). Oxford University Press.

Lua i Stíl Chicago (17ú heag.)

Burrough, Peter R. & Mcdonnell. Principles of Geographical Information Systems. 01st. United Kingdom: Oxford University Press, 2015.

Lua MLA (9ú heag.)

Burrough, Peter R. & Mcdonnell. Principles of Geographical Information Systems. 01st. Oxford University Press, 2015.

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