1. Berg, A. (1993), ?Economic reform in eastern Europe: Lessons from the Polish experience?, Harvard Institute for International Development, April
2. Berg, A. and Sachs, J. (1992), ?Trade reform and adjustment in eastern Europe: the case of Poland?,Economic Policy 14.
3. Rajewski, Z. (1992), ?Product Krajowy Brutto?, in Zianokowski, L. (ed.),Gospodarka Polska w Latach 1990?1992, Warsaw: Glowny Urzad Statystycznego (GUS) and the Polish Academy of Science.
4. Sachs, J. (1993),Poland's Jump to the Market Economy. Cambridge: MIT Press.