Παραπομπή APA
European Commission. (1997). Classification, packaging and labelling of dangerous substances in the European Union. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEuropean Commission. Classification, Packaging and Labelling of Dangerous Substances in the European Union. Luxembourg: Office for Official Publications of the European Communities, 1997.
Παραπομπή MLAEuropean Commission. Classification, Packaging and Labelling of Dangerous Substances in the European Union. Luxembourg: Office for Official Publications of the European Communities, 1997.
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