SpringerLink (Online service), Meinel, C., Leifer, L., & Plattner, H. (2011). Design thinking: Understand ? improve ? apply. Springer eBooks..
Cita Chicago (17th ed.)SpringerLink (Online service), Christoph Meinel, Larry Leifer, i Hasso Plattner. "Design Thinking: Understand ? Improve ? Apply." Springer EBooks. 2011.
Cita MLA (9th ed.)SpringerLink (Online service), et al. "Design Thinking: Understand ? Improve ? Apply." Springer EBooks., 2011.
Atenció: Aquestes cites poden no estar 100% correctes.