Henry H.Villard. (1957). Economic development. Rinehart.
Cita Chicago (17th ed.)Henry H.Villard. Economic Development. New York: Rinehart, 1957.
Cita MLA (9th ed.)Henry H.Villard. Economic Development. Rinehart, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.