Cita APA (7th ed.)

LEWIS, W. A. (1969). Principles of economic planning: A study prepared for the Fabian Society. Unwin Univ. Books.

Cita Chicago (17th ed.)

LEWIS, W. Arthur. Principles of Economic Planning: A Study Prepared for the Fabian Society. London: Unwin Univ. Books, 1969.

Cita MLA (9th ed.)

LEWIS, W. Arthur. Principles of Economic Planning: A Study Prepared for the Fabian Society. Unwin Univ. Books, 1969.