Gulick, E. V. (1967). Europe's classical balance of power: A case history of te theory and practice of one of the great concepts of European statecraft. Norton Library.
Citazione stile Chigago Style (17a edizione)Gulick, Edward Vose. Europe's Classical Balance of Power: A Case History of Te Theory and Practice of One of the Great Concepts of European Statecraft. New York: Norton Library, 1967.
Citatione MLA (9a ed.)Gulick, Edward Vose. Europe's Classical Balance of Power: A Case History of Te Theory and Practice of One of the Great Concepts of European Statecraft. Norton Library, 1967.
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