Globally harmonized system of classification and labelling of chemicals (GHS)
MLA
Globally Harmonized System of Classification and Labelling of Chemicals (ghs). 5th rev. ed. New York: United Nations, 2013
APA, 7th edition
(2013). Globally harmonized system of classification and labelling of chemicals (GHS). 5th rev. ed. New York: United Nations
Chicago, 17th edition
Globally harmonized system of classification and labelling of chemicals (GHS). 5th rev. ed. New York: United Nations, 2013