World Health Organization. (1983). Rural water supplies: Report on a WHO meeting, Stevenage, 1-5 November 1982. World Health Organization, Regional Office for Europe.
Chicago-viite (17. p.)World Health Organization. Rural Water Supplies: Report on a WHO Meeting, Stevenage, 1-5 November 1982. Copenhagen: World Health Organization, Regional Office for Europe, 1983.
MLA-viite (9. p.)World Health Organization. Rural Water Supplies: Report on a WHO Meeting, Stevenage, 1-5 November 1982. World Health Organization, Regional Office for Europe, 1983.
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