Hsieh, T. Zappo's CEO on going to extremes for customers. Harvard Business Review.
Chicago Style (17th ed.) CitationHsieh, Tony. "Zappo's CEO on Going to Extremes for Customers." Harvard Business Review .
MLA (9th ed.) CitationHsieh, Tony. "Zappo's CEO on Going to Extremes for Customers." Harvard Business Review, .
Warning: These citations may not always be 100% accurate.