RICHARDS, K. (1982). Rivers: Form and process in alluvial channels. Methuen.
Lua i Stíl Chicago (17ú heag.)RICHARDS, Keith. Rivers: Form and Process in Alluvial Channels. London: Methuen, 1982.
Lua MLA (9ú heag.)RICHARDS, Keith. Rivers: Form and Process in Alluvial Channels. Methuen, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.