The non-aligned in Havana : documents of the sixth summit conference and an analysis of their significance for the global political system / Peter Willetts. Willetts, Peter. Conference of Heads of State or Government of Non-aligned Countries (6th : 1979 : Havana, Cuba) World politics 1975-1985 Congresses. D839.2 .W54 1981 327 19 WIN Includes the documents from the Sixth Conference of Heads of State or Government of Non-aligned Countries. Includes bibliographical references. New York : St. Martin's Press, 1981. 1981. 1981 Text xvii, 283 p. ; eng Global politics