Παραπομπή APA
European Environment Agency. (2002). Environmental signals 2002: Benchmarking the millenium: European Environment Agency regular indicator report. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEuropean Environment Agency. Environmental Signals 2002: Benchmarking the Millenium: European Environment Agency Regular Indicator Report. Luxembourg: Office for Official Publications of the European Communities, 2002.
Παραπομπή MLAEuropean Environment Agency. Environmental Signals 2002: Benchmarking the Millenium: European Environment Agency Regular Indicator Report. Luxembourg: Office for Official Publications of the European Communities, 2002.
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