Παραπομπή APA

European Environment Agency. (1998). EEA annual report 1997. Luxembourg: Office for Official Publications of the European Communities.

Παραπομπή Chicago Style

European Environment Agency. EEA Annual Report 1997. Luxembourg: Office for Official Publications of the European Communities, 1998.

Παραπομπή MLA

European Environment Agency. EEA Annual Report 1997. Luxembourg: Office for Official Publications of the European Communities, 1998.

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