Cities of Tomorrow (Organization) & Pröhl, M. (1997). Local economic development: International research and good practices for promoting employment. Bertelsmann Foundation Publishers.
Cita Chicago (17th ed.)Cities of Tomorrow (Organization) i Marga Pröhl. Local Economic Development: International Research and Good Practices for Promoting Employment. Gutersloh: Bertelsmann Foundation Publishers, 1997.
Cita MLA (9th ed.)Cities of Tomorrow (Organization) i Marga Pröhl. Local Economic Development: International Research and Good Practices for Promoting Employment. Bertelsmann Foundation Publishers, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.