Groysberg, B. &. S. (2012). Talk, Inc. Harvard Business School Publishing.
Cita Chicago (17th ed.)Groysberg, Boris & Slind. Talk, Inc. United State of America: Harvard Business School Publishing, 2012.
Cita MLA (9th ed.)Groysberg, Boris & Slind. Talk, Inc. Harvard Business School Publishing, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.