Krugman, P. (2009). The conscience of a liberal: Reclaiming America from the right. Penguin Books.
Chicago-viite (17. p.)Krugman, Paul. The Conscience of a Liberal: Reclaiming America from the Right. London: Penguin Books, 2009.
MLA-viite (8. p.)Krugman, Paul. The Conscience of a Liberal: Reclaiming America from the Right. Penguin Books, 2009.
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