Cartography. Cambridge University Press.
Chicago Style (17th ed.) ZitazioaCartography. Cambridge University Press.
MLA (9th ed.) ZitazioaCartography. Cambridge University Press.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Cartography. Cambridge University Press.
Chicago Style (17th ed.) ZitazioaCartography. Cambridge University Press.
MLA (9th ed.) ZitazioaCartography. Cambridge University Press.