APA (7e ed.) Bronvermelding

Keil, R., & Ronneberger, K. The globalization of Frankfurt am Main: Core, periphery and social conflict / Roger Keil. Klaus Ronneberger. Globalizing cities : a new spatial order?.(2000).

Chicago (17e ed.) Bronvermelding

Keil, Roger, en Klaus Ronneberger. "The Globalization of Frankfurt Am Main: Core, Periphery and Social Conflict / Roger Keil. Klaus Ronneberger." Globalizing Cities : A New Spatial Order?.(2000) .

MLA (8e ed.) Bronvermelding

Keil, Roger, en Klaus Ronneberger. "The Globalization of Frankfurt Am Main: Core, Periphery and Social Conflict / Roger Keil. Klaus Ronneberger." Globalizing Cities : A New Spatial Order?.(2000), .