International Economic Congress Sopot. (2003). Opportunities of change: 3rd International Economic Congress : conference proceedings. Wydaw. Uniwersytetu Gdańskiego.
Citazione stile Chigago Style (17a edizione)International Economic Congress Sopot. Opportunities of Change: 3rd International Economic Congress : Conference Proceedings. Gdańsk: Wydaw. Uniwersytetu Gdańskiego, 2003.
Citatione MLA (9a ed.)International Economic Congress Sopot. Opportunities of Change: 3rd International Economic Congress : Conference Proceedings. Wydaw. Uniwersytetu Gdańskiego, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.