APA aipamena

Verbyla, D. . L. (2002). Practical GIS analysis. Taylor and Francis.

Chicago Style aipamena

Verbyla, David L. Practical GIS Analysis. London: Taylor and Francis, 2002.

MLA aipamena

Verbyla, David L. Practical GIS Analysis. Taylor and Francis, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.