EUROVOC alphabetical thesaurus 2.1 (1st update).
APA Citation
Office for Official Publications of the European Communities. (1990). EUROVOC alphabetical thesaurus 2.1 (1st update). Ed. 2.1, English ed. Luxembourg: Office for Official Publications of the European Communities.
MLA Citation
Office for Official Publications of the European Communities. EUROVOC Alphabetical Thesaurus 2.1 (1st Update). Ed. 2.1, English ed. Luxembourg: Office for Official Publications of the European Communities, 1990.
Warning: These citations may not always be complete (especially for serials).