Lewis, W. A. (1952). The principles of economic planning: A study prepared for the Fabian Society. D. Dobson.
Cita Chicago (17th ed.)Lewis, William Arthur. The Principles of Economic Planning: A Study Prepared for the Fabian Society. London: D. Dobson, 1952.
Cita MLA (9th ed.)Lewis, William Arthur. The Principles of Economic Planning: A Study Prepared for the Fabian Society. D. Dobson, 1952.
Atenció: Aquestes cites poden no estar 100% correctes.