APA-viite (7. p.)
Tullis, T., & Albert, B. (2013). Measuring the user experience: Collecting, analyzing, and presenting usability metrics (2nd ed.). Elsevier.
Chicago-viite (17. p.)
Tullis, Tom, ja Bill Albert. Measuring the User Experience: Collecting, Analyzing, and Presenting Usability Metrics. 2nd ed. Amsterdam, Netherlands: Elsevier, 2013.
MLA-viite (9. p.)
Tullis, Tom, ja Bill Albert. Measuring the User Experience: Collecting, Analyzing, and Presenting Usability Metrics. 2nd ed. Elsevier, 2013.
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