Ministerial Conference EU-Balkan countries action plan in science & technology & Μπόνας, Γ. (2003). EU-Balkan countries action plan in science & Technology: Adopted at the Ministerial Conference in Thessaloniki (26-27 June 2003) : proceedings. Ziti.
Παραπομπή σε μορφή Chicago (17η εκδ.)Ministerial Conference EU-Balkan countries action plan in science & technology και Γεώργιος Μπόνας. EU-Balkan Countries Action Plan in Science & Technology: Adopted at the Ministerial Conference in Thessaloniki (26-27 June 2003) : Proceedings. Thessaloniki: Ziti, 2003.
Παραπομπή σε μορφή MLA (9th εκδ.)Ministerial Conference EU-Balkan countries action plan in science & technology και Γεώργιος Μπόνας. EU-Balkan Countries Action Plan in Science & Technology: Adopted at the Ministerial Conference in Thessaloniki (26-27 June 2003) : Proceedings. Ziti, 2003.