United Nations Industrial Development Organization. (1998). International yearbook of industrial statistics 1998. United Nations Industrial Development Organization.
Chicago-Zitierstil (17. Ausg.)United Nations Industrial Development Organization. International Yearbook of Industrial Statistics 1998. Vienna: United Nations Industrial Development Organization, 1998.
MLA-Zitierstil (9. Ausg.)United Nations Industrial Development Organization. International Yearbook of Industrial Statistics 1998. United Nations Industrial Development Organization, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.