UN. (2003). Globally Harmonized System of Classification and Labelling of Chemicals. United Nations.
Чикаго маягийн жагсаалтUN. Globally Harmonized System of Classification and Labelling of Chemicals. New York: United Nations, 2003.
MLA ишлэлUN. Globally Harmonized System of Classification and Labelling of Chemicals. United Nations, 2003.
Warning: These citations may not always be 100% accurate.