Christensen, C. M. (2004). Seeing What's Next. HBS.
Cita Chicago (17th ed.)Christensen, Clayton M. Seeing What's Next. HBS, 2004.
Cita MLA (9th ed.)Christensen, Clayton M. Seeing What's Next. HBS, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.