Cita APA (7a ed.)

(2004). Activity-centered design: An ecological approach to designing smart tools and usable systems / Geri Gay and Helene Hembrooke.

Cita Chicago Style (17a ed.)

Activity-centered Design: An Ecological Approach to Designing Smart Tools and Usable Systems / Geri Gay and Helene Hembrooke. 2004.

Cita MLA (9a ed.)

Activity-centered Design: An Ecological Approach to Designing Smart Tools and Usable Systems / Geri Gay and Helene Hembrooke. 2004.

Precaución: Estas citas no son 100% exactas.