Shannon, L. W. (1957). Underdeveloped areas: A book of readings and research. Harper.
Chicago-viite (17. p.)Shannon, Lyle W. Underdeveloped Areas: A Book of Readings and Research. New York: Harper, 1957.
MLA-viite (9. p.)Shannon, Lyle W. Underdeveloped Areas: A Book of Readings and Research. Harper, 1957.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.