Severn-Trent Water Authority. Directorate of Scientific Services. (1980). The ecology of the River Severn at Bewdley. Severn-Trent Water Authority.
Chicago Edition CitationSevern-Trent Water Authority. Directorate of Scientific Services. The Ecology of the River Severn at Bewdley. Severn-Trent Water Authority, 1980.
MLA Edition CitationSevern-Trent Water Authority. Directorate of Scientific Services. The Ecology of the River Severn at Bewdley. Severn-Trent Water Authority, 1980.
Warning: These citations may not always be 100% accurate.