Citazione Stile APA (7a Edizione)

(2002). Cities and regions in an enlarging european union. Polish Academy of Sciences. Committee for Space Economy and Regional Planning.

Citazione stile Chigago Style (17a edizione)

Cities and Regions in an Enlarging European Union. Warszawa: Polish Academy of Sciences. Committee for Space Economy and Regional Planning, 2002.

Citatione MLA (9a ed.)

Cities and Regions in an Enlarging European Union. Polish Academy of Sciences. Committee for Space Economy and Regional Planning, 2002.