APA (7th ed.) Citation

National Rivers Authority. (1994). Implementation of the EC Freshwater Fish Directive : water quality requirements for the support of fish life / report of the National Rivers Authority: Water quality requirements for the support of fish life. H.M.S.O..

Chicago Style (17th ed.) Citation

National Rivers Authority. Implementation of the EC Freshwater Fish Directive : Water Quality Requirements for the Support of Fish Life / Report of the National Rivers Authority: Water Quality Requirements for the Support of Fish Life. London: H.M.S.O., 1994.

MLA (9th ed.) Citation

National Rivers Authority. Implementation of the EC Freshwater Fish Directive : Water Quality Requirements for the Support of Fish Life / Report of the National Rivers Authority: Water Quality Requirements for the Support of Fish Life. H.M.S.O., 1994.

Warning: These citations may not always be 100% accurate.