Cita APA (7th ed.)
Lewis, W. A. (1968). Development Planning: The essentials of economic policy. Unwin University Books.
Cita Chicago (17th ed.)
Lewis, W. Arthur. Development Planning: The Essentials of Economic Policy. Great Britain: Unwin University Books, 1968.
Cita MLA (9th ed.)
Lewis, W. Arthur. Development Planning: The Essentials of Economic Policy. Unwin University Books, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.