Não informado. (1978). ISWA Journal. International Solid Wastes and Public Cleansing Association.
Chicago-viite (17. p.)Não informado. ISWA Journal. Zurich, Alemanha: International Solid Wastes and Public Cleansing Association, 1978.
MLA-viite (8. p.)Não informado. ISWA Journal. International Solid Wastes and Public Cleansing Association, 1978.
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