Derbyshire, E. (1979). Geomorphological processes. Dawson.
Chicago Style (17th ed.) ZitazioaDerbyshire, E. Geomorphological Processes. Kent (Eng.): Dawson, 1979.
MLA (9th ed.) ZitazioaDerbyshire, E. Geomorphological Processes. Dawson, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.