David Hochman, «Playboy Interview: Tony Hsieh», Playboy, April 2014.
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Zack Guzman, «Zappos CEO Tony Hsieh Shares What He Would Have Changed About his $350M Downtown Las Vegas Project», CNBC, August 9, 2016, и Jennifer Reingold, «How a Radical Shift Left Zappos Reeling», Fortune, March 4, 2016.
