APA (7th ed.) Zitazioa

(1997). Urban environmental planning: Policies, instruments and methods in an international perspective. Ashgate.

Chicago Style (17th ed.) Zitazioa

Urban Environmental Planning: Policies, Instruments and Methods in an International Perspective. Aldershot: Ashgate, 1997.

MLA (9th ed.) Zitazioa

Urban Environmental Planning: Policies, Instruments and Methods in an International Perspective. Ashgate, 1997.