Cita APA (7th ed.)

Mitchell, P. P. (2007). A step-by-step guide to usability testing (1a. ed.). Universe Inc.

Cita Chicago (17th ed.)

Mitchell, Peter P. A Step-by-step Guide to Usability Testing. 1a. ed. Nueva York: Universe Inc, 2007.

Cita MLA (9th ed.)

Mitchell, Peter P. A Step-by-step Guide to Usability Testing. 1a. ed. Universe Inc, 2007.