APA (7th ed.) Zitazioa

CHADWICK, G. A systems view of planning: Towards a theory of the urban and regional planning process. Pergamon Press.

Chicago Style (17th ed.) Zitazioa

CHADWICK, George. A Systems View of Planning: Towards a Theory of the Urban and Regional Planning Process. Oxford: Pergamon Press.

MLA (9th ed.) Zitazioa

CHADWICK, George. A Systems View of Planning: Towards a Theory of the Urban and Regional Planning Process. Pergamon Press.