Ravetz, J., & Roberts, P. (2000). City-region 2020 : integrated planning for a sustainable environment / Joe Ravetz ; with the Sustainable City-Region Working Group chaired by Peter Roberts: Integrated planning for a sustainable environment. Earthscan.
Chicago Style (17th ed.) CitationRavetz, Joe, and Peter Roberts. City-region 2020 : Integrated Planning for a Sustainable Environment / Joe Ravetz ; with the Sustainable City-Region Working Group Chaired by Peter Roberts: Integrated Planning for a Sustainable Environment. London: Earthscan, 2000.
MLA (9th ed.) CitationRavetz, Joe, and Peter Roberts. City-region 2020 : Integrated Planning for a Sustainable Environment / Joe Ravetz ; with the Sustainable City-Region Working Group Chaired by Peter Roberts: Integrated Planning for a Sustainable Environment. Earthscan, 2000.