Cita APA (7a ed.)

(2011). Human centered design: Toolkit (2a ed.). IDEO.

Cita Chicago Style (17a ed.)

Human Centered Design: Toolkit. 2a ed. [S.l.]: IDEO, 2011.

Cita MLA (9a ed.)

Human Centered Design: Toolkit. 2a ed. IDEO, 2011.