Barnum, C. M. (2002). Usability testing and research. Longman.
Chicago Style (17th ed.) CitationBarnum, Carol M. Usability Testing and Research. New York [etc.]: Longman, 2002.
MLA (9th ed.) CitationBarnum, Carol M. Usability Testing and Research. Longman, 2002.
Warning: These citations may not always be 100% accurate.