↑ Jacob Bercovitch and Richard Jackson (1997). International Conflict: A Chronological Encyclopedia of Conflicts and Their Management, 1945-1995. Congressional Quarterly.
↑ Singer, Joel David and Small, Melvin (1974). The Wages of War, 1816-1965. Inter-University Consortium for Political Research.
↑ Eckhardt, William, in Sivard, Ruth Leger (1987). World Military and Social Expenditures, 1987-88 (12th edition). World Priorities.
↑ Lazo, Mario (1970). American Policy Failures in Cuba – Dagger in the Heart. Twin Circle Publishing Co.: New York. pp. 198–200, 204. Library of Congress Card Catalog Number: 68-31632.
1 2 Gary B. Nash, Julie Roy Jeffrey, John R. Howe, Peter J. Frederick, Allen F. Davis, Allan M. Winkler, Charlene Mires and Carla Gardina Pestana. The American People, Concise Edition: Creating a Nation and a Society, Combined Volume (6th edition, 2007). New York: Longman.
↑ Arthur Meier Schlesinger (1973). The Dynamics of World Power: A Documentary History of the United States Foreign Policy 1945-1973. McGraw-Hill. ISBN 0070797293. p. 512.
