Edgar, M. (2018). Using Goals to Understand Users (1st edition.). O'Reilly Media, Inc.
Cita Chicago Style (17a ed.)Edgar, Matthew. Using Goals to Understand Users. 1st edition. O'Reilly Media, Inc, 2018.
Cita MLA (9a ed.)Edgar, Matthew. Using Goals to Understand Users. 1st edition. O'Reilly Media, Inc, 2018.
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