Lua APA (7ú heag.)
Nielsen, J. (2000). Designing Web usability. New Riders.
Lua i Stíl Chicago (17ú heag.)
Nielsen, Jakob. Designing Web Usability. Indianapolis, Ind.: New Riders, 2000.
Lua MLA (9ú heag.)
Nielsen, Jakob. Designing Web Usability. New Riders, 2000.
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