Severn-Trent Water Authority. Directorate of Scientific Services. (1980). The effects of regulation on the freshwater invertebrates of the Afon Clywedog. Severn-Trent Water Authority.
Chicago Style (17th ed.) CitationSevern-Trent Water Authority. Directorate of Scientific Services. The Effects of Regulation on the Freshwater Invertebrates of the Afon Clywedog. Severn-Trent Water Authority, 1980.
MLA (9th ed.) CitationSevern-Trent Water Authority. Directorate of Scientific Services. The Effects of Regulation on the Freshwater Invertebrates of the Afon Clywedog. Severn-Trent Water Authority, 1980.
Warning: These citations may not always be 100% accurate.