Hubbard, R. G., & Kane, T. (2013). Balance: The economics of great powers from ancient Rome to modern America (1st Simon & Schuster hardcover edition.). Simon & Schuster.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Hubbard, R. Glenn, ба Tim Kane. Balance: The Economics of Great Powers from Ancient Rome to Modern America. 1st Simon & Schuster hardcover edition. New York: Simon & Schuster, 2013.
MLA -ийн эшлэл (9 дэх хэвлэлт)Hubbard, R. Glenn, ба Tim Kane. Balance: The Economics of Great Powers from Ancient Rome to Modern America. 1st Simon & Schuster hardcover edition. Simon & Schuster, 2013.
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