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Lua i Stíl Chicago (17ú heag.)American Assembly. The United States and Africa: Background Papers Prepared for the Use of Participants, and the Final Report of the Thirteenth American Assembly, Arden House, Harriman Campus of Columbia University, Harriman, New York, May 1-4, 1958. Final ed. [Harriman, N.Y.]: The Assembly, 1958.
Lua MLA (9ú heag.)American Assembly. The United States and Africa: Background Papers Prepared for the Use of Participants, and the Final Report of the Thirteenth American Assembly, Arden House, Harriman Campus of Columbia University, Harriman, New York, May 1-4, 1958. Final ed. The Assembly, 1958.