Shannon, L. W. (1957). Underdeveloped areas: A book of readings and research. Harper & Row.
Cita Chicago (17th ed.)Shannon, Lyle W. Underdeveloped Areas: A Book of Readings and Research. New York: Harper & Row, 1957.
Cita MLA (9th ed.)Shannon, Lyle W. Underdeveloped Areas: A Book of Readings and Research. Harper & Row, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.