U.N. Secretary-General, 1961- (Thant). (1968). Portfolio for peace: Excerpts from the writings and speeches of U Thant, Secretary General of the United Nations, on major issues, 1961-1968. U.N. Office of Public Information.
Παραπομπή σε μορφή Chicago (17η εκδ.)U.N. Secretary-General, 1961- (Thant). Portfolio for Peace: Excerpts from the Writings and Speeches of U Thant, Secretary General of the United Nations, on Major Issues, 1961-1968. New York: U.N. Office of Public Information, 1968.
Παραπομπή σε μορφή MLA (9th εκδ.)U.N. Secretary-General, 1961- (Thant). Portfolio for Peace: Excerpts from the Writings and Speeches of U Thant, Secretary General of the United Nations, on Major Issues, 1961-1968. U.N. Office of Public Information, 1968.
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