United Nations Industrial Development Organization. (1979). Information sources on the bioconversion of agricultural wastes. United Nations.
Chicago-referens (17:e uppl.)United Nations Industrial Development Organization. Information Sources on the Bioconversion of Agricultural Wastes. New York: United Nations, 1979.
MLA-referens (9:e uppl.)United Nations Industrial Development Organization. Information Sources on the Bioconversion of Agricultural Wastes. United Nations, 1979.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.