Holt Douglas B. (2004). How Brands Become Icons. Harvard Business School.
Cita Chicago (17th ed.)Holt Douglas B. How Brands Become Icons. Boston: Harvard Business School, 2004.
Cita MLA (9th ed.)Holt Douglas B. How Brands Become Icons. Harvard Business School, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.