Παραπομπή APA

Keilhau, W. (1951). Principles of private and public planning: A study in economic sociology. London: Allen & Unwin.

Παραπομπή Chicago Style

Keilhau, Wilhelm. Principles of Private and Public Planning: A Study in Economic Sociology. London: Allen & Unwin, 1951.

Παραπομπή MLA

Keilhau, Wilhelm. Principles of Private and Public Planning: A Study in Economic Sociology. London: Allen & Unwin, 1951.

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