Cita APA (7th ed.)
Lewis, A. W. (1966). Development planning: The essential of economics policy. Harper.
Cita Chicago (17th ed.)
Lewis, Arthur W. Development Planning: The Essential of Economics Policy. New York: Harper, 1966.
Cita MLA (9th ed.)
Lewis, Arthur W. Development Planning: The Essential of Economics Policy. Harper, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.