Gower, A. M. (1980). Water quality in catchment ecosystems. John wiley.
Chicago Style aipamenaGower, A. M. Water Quality in Catchment Ecosystems. Toronto: John wiley, 1980.
MLA aipamenaGower, A. M. Water Quality in Catchment Ecosystems. John wiley, 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.