European Commission. (2004). Sixth annual report on the situation regarding the protection of individuals with regard to the processing of personal data and privacy in the European Union and in third countries: Covering the year 2001 ; adopted on 16th December 2003. Λουξεμβούργο: Υπηρεσία Eπισήμων Eκδόσεων των Eυρωπαϊκών Kοινοτήτων.

European Commission. Sixth Annual Report On the Situation Regarding the Protection of Individuals With Regard to the Processing of Personal Data and Privacy in the European Union and in Third Countries: Covering the Year 2001 ; Adopted On 16th December 2003. Λουξεμβούργο: Υπηρεσία Eπισήμων Eκδόσεων των Eυρωπαϊκών Kοινοτήτων, 2004.

European Commission. Sixth Annual Report On the Situation Regarding the Protection of Individuals With Regard to the Processing of Personal Data and Privacy in the European Union and in Third Countries: Covering the Year 2001 ; Adopted On 16th December 2003. Λουξεμβούργο: Υπηρεσία Eπισήμων Eκδόσεων των Eυρωπαϊκών Kοινοτήτων, 2004.