(1999). The competitiveness of regions in the Polish and European perspective. Wydawnictwo Naukowe PWN.
Citazione stile Chigago Style (17a edizione)The Competitiveness of Regions in the Polish and European Perspective. Warszawa: Wydawnictwo Naukowe PWN, 1999.
Citatione MLA (9a ed.)The Competitiveness of Regions in the Polish and European Perspective. Wydawnictwo Naukowe PWN, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.