Παραπομπή σε μορφή APA (7η εκδ.)

(2004). Evaluation of the performance of network industries providing services of general interest: 2004 report. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Evaluation of the Performance of Network Industries Providing Services of General Interest: 2004 Report. Luxembourg: Office for Official Publications of the European Communities, 2004.

Παραπομπή σε μορφή MLA (8th εκδ.)

Evaluation of the Performance of Network Industries Providing Services of General Interest: 2004 Report. Office for Official Publications of the European Communities, 2004.