Speier, H. (1969). Force and folly: Essays on foreign affairs and the history of ideas. M.I.T. Press.
Chicago-viite (17. p.)Speier, Hans. Force and Folly: Essays on Foreign Affairs and the History of Ideas. Cambridge, Mass: M.I.T. Press, 1969.
MLA-viite (9. p.)Speier, Hans. Force and Folly: Essays on Foreign Affairs and the History of Ideas. M.I.T. Press, 1969.
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