Cities of Tomorrow (Organization) & Pröhl, M. (1997). Local economic development: International research and good practices for promoting employment. Bertelsmann Foundation Publishers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Cities of Tomorrow (Organization) και Marga Pröhl. Local Economic Development: International Research and Good Practices for Promoting Employment. Gutersloh: Bertelsmann Foundation Publishers, 1997.
Παραπομπή σε μορφή MLA (9th εκδ.)Cities of Tomorrow (Organization) και Marga Pröhl. Local Economic Development: International Research and Good Practices for Promoting Employment. Bertelsmann Foundation Publishers, 1997.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.