United Nations Centre for Industrial Development. (1979). Information sources on industrail maintenance and repair. United Nations.
Chicago-Zitierstil (17. Ausg.)United Nations Centre for Industrial Development. Information Sources on Industrail Maintenance and Repair. New York: United Nations, 1979.
MLA-Zitierstil (9. Ausg.)United Nations Centre for Industrial Development. Information Sources on Industrail Maintenance and Repair. United Nations, 1979.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.