Goodman, E., Kuniavsky, M., & Moed, A. (2012). Observing the user experience: A practitioner's guide to user research (2nd ed.). Waltham: Morgan Kaufmann.
Čikaški stil citiranjaGoodman, Elizabeth, Mike Kuniavsky, i Andrea Moed. Observing the User Experience: A Practitioner's Guide to User Research. 2nd ed. Waltham: Morgan Kaufmann, 2012.
MLA način citiranjaGoodman, Elizabeth, Mike Kuniavsky, i Andrea Moed. Observing the User Experience: A Practitioner's Guide to User Research. 2nd ed. Waltham: Morgan Kaufmann, 2012.
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