International Conference Preparing the Manager of the 21st centuries & University of Macedonia. (1999). Preparing the manager of the 21st centurys: International conference, Thessaloniki, Greece, 16-18 December 1999. University of Macedonia.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Conference Preparing the Manager of the 21st centuries και University of Macedonia. Preparing the Manager of the 21st Centurys: International Conference, Thessaloniki, Greece, 16-18 December 1999. Thessaloniki: University of Macedonia, 1999.
Παραπομπή σε μορφή MLA (9th εκδ.)International Conference Preparing the Manager of the 21st centuries και University of Macedonia. Preparing the Manager of the 21st Centurys: International Conference, Thessaloniki, Greece, 16-18 December 1999. University of Macedonia, 1999.