Não informado. (1970). Advances in materials technology monitor. United Nations, Industrial Development Organization.
Chicago-referens (17:e uppl.)Não informado. Advances in Materials Technology Monitor. Vienna: United Nations, Industrial Development Organization, 1970.
MLA-referens (8:e uppl.)Não informado. Advances in Materials Technology Monitor. United Nations, Industrial Development Organization, 1970.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.