Richards, K. (1987). River channels: Environment and process. Basil Blackwell.
Chicago Style aipamenaRichards, Keith. River Channels: Environment and Process. London: Basil Blackwell, 1987.
MLA aipamenaRichards, Keith. River Channels: Environment and Process. Basil Blackwell, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.