Παραπομπή σε μορφή APA (7η εκδ.)

European Environment Agency. (2004). The network of special protection areas: EU birds directive. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Environment Agency. The Network of Special Protection Areas: EU Birds Directive. Luxembourg: Office for Official Publications of the European Communities, 2004.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Environment Agency. The Network of Special Protection Areas: EU Birds Directive. Office for Official Publications of the European Communities, 2004.