Laboratory, G. B. D. o. t. E. W. P. R. (1976). Water Pollution research 1973: Report of the director of water pollution research. London : Her Majesty's Stationery Office.
Lua i Stíl Chicago (17ú heag.)Laboratory, Great Britain. Department of the Environment. Water Pollution Research. Water Pollution Research 1973: Report of the Director of Water Pollution Research. London : Her Majesty's Stationery Office, 1976.
Lua MLA (9ú heag.)Laboratory, Great Britain. Department of the Environment. Water Pollution Research. Water Pollution Research 1973: Report of the Director of Water Pollution Research. London : Her Majesty's Stationery Office, 1976.
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