Smick, D. M. (2009). The world is curved: Hidden dangers to the global economy. Portfolio.
Chicago-čujuhus (17. p.)Smick, David M. The World Is Curved: Hidden Dangers to the Global Economy. New York: Portfolio, 2009.
MLA-čujuhus (9. p.)Smick, David M. The World Is Curved: Hidden Dangers to the Global Economy. Portfolio, 2009.
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