APA aipamena

Brewer, C. A. Designing better maps: A guide for gis users (2a ed.).

Chicago Style aipamena

Brewer, Cynthia A. Designing Better Maps: A Guide for Gis Users. 2a ed.

MLA aipamena

Brewer, Cynthia A. Designing Better Maps: A Guide for Gis Users. 2a ed.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.