Keilhau, W. (1951). Principles of private and public planning: A study in economic sociology. London: Allen & Unwin.
Παραπομπή Chicago StyleKeilhau, Wilhelm. Principles of Private and Public Planning: A Study in Economic Sociology. London: Allen & Unwin, 1951.
Παραπομπή MLAKeilhau, Wilhelm. Principles of Private and Public Planning: A Study in Economic Sociology. London: Allen & Unwin, 1951.
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