International Economic Association. World Congress. (1989). Issues in contemporary economics: Proceedings of the Ninth World Congress of the International Economic Association, Athens, Greece. Economic Research Center : The Athens school of economics and business.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Economic Association. World Congress. Issues in Contemporary Economics: Proceedings of the Ninth World Congress of the International Economic Association, Athens, Greece. Athens: Economic Research Center : The Athens school of economics and business, 1989.
Παραπομπή σε μορφή MLA (9th εκδ.)International Economic Association. World Congress. Issues in Contemporary Economics: Proceedings of the Ninth World Congress of the International Economic Association, Athens, Greece. Economic Research Center : The Athens school of economics and business, 1989.