(2011). Globally harmonized system of classification and labelling of chemicals (GHS) (4th rev. ed.). United Nations.
Chicago-Zitierstil (17. Ausg.)Globally Harmonized System of Classification and Labelling of Chemicals (GHS). 4th rev. ed. New York: United Nations, 2011.
MLA-Zitierstil (9. Ausg.)Globally Harmonized System of Classification and Labelling of Chemicals (GHS). 4th rev. ed. United Nations, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.