Ubel, P. A. (2009). Free market madness: Why human nature is at odds with economics - and why it matters.
Čikaški stil citiranjaUbel, Peter A. Free Market Madness: Why Human Nature Is at Odds with Economics - and Why It Matters. Harvard Business School Press: Boston, 2009.
MLA način citiranjaUbel, Peter A. Free Market Madness: Why Human Nature Is at Odds with Economics - and Why It Matters. 2009.
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