APA (7e ed.) Bronvermelding

Cities of Tomorrow (Organization) & Pröhl, M. (1997). Local economic development: International research and good practices for promoting employment. Bertelsmann Foundation Publishers.

Chicago (17e ed.) Bronvermelding

Cities of Tomorrow (Organization) en Marga Pröhl. Local Economic Development: International Research and Good Practices for Promoting Employment. Gutersloh: Bertelsmann Foundation Publishers, 1997.

MLA (9e ed.) Bronvermelding

Cities of Tomorrow (Organization) en Marga Pröhl. Local Economic Development: International Research and Good Practices for Promoting Employment. Bertelsmann Foundation Publishers, 1997.