Goodman, E., Kuniavsky, M., & Moed, A. (2012). Observing the user experience: A practitioner's guide to user research (1a. ed.). Elsevier.
Citazione stile Chigago Style (17a edizione)Goodman, Elizabeth, Mike Kuniavsky, e Andrea Moed. Observing the User Experience: A Practitioner's Guide to User Research. 1a. ed. Amsterdam: Elsevier, 2012.
Citatione MLA (9a ed.)Goodman, Elizabeth, et al. Observing the User Experience: A Practitioner's Guide to User Research. 1a. ed. Elsevier, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.