Tullis, T. (2013). Measuring the user experience: Collecting, analyzing, and presenting usability metrics (2nd ed.). Elsevier.
Chicago-Zitierstil (17. Ausg.)Tullis, Tom. Measuring the User Experience: Collecting, Analyzing, and Presenting Usability Metrics. 2nd ed. Amsterdam, Netherlands: Elsevier, 2013.
MLA-Zitierstil (9. Ausg.)Tullis, Tom. Measuring the User Experience: Collecting, Analyzing, and Presenting Usability Metrics. 2nd ed. Elsevier, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.