Cita APA (7a ed.)

Courage, C., & Baxter, K. (2005). Understanding your users: A practical guide to user requirements methods, tools, and techniques. Morgan Kaufmann Publishers.

Cita Chicago Style (17a ed.)

Courage, Catherine, y Kathy Baxter. Understanding Your Users: A Practical Guide to User Requirements Methods, Tools, and Techniques. San Francisco, CA: Morgan Kaufmann Publishers, 2005.

Cita MLA (8a ed.)

Courage, Catherine, y Kathy Baxter. Understanding Your Users: A Practical Guide to User Requirements Methods, Tools, and Techniques. Morgan Kaufmann Publishers, 2005.