Não informado. (1987). Journal of the Institution of Water and Environmental Management. Institution of Water and Environmental Management.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Journal of the Institution of Water and Environmental Management. London: Institution of Water and Environmental Management, 1987.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Journal of the Institution of Water and Environmental Management. Institution of Water and Environmental Management, 1987.
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