Cita APA (7th ed.)

ebrary, Inc. (2005). Website usability: Research and case studies. Emerald Group Publishing.

Cita Chicago (17th ed.)

ebrary, Inc. Website Usability: Research and Case Studies. Bradford, England: Emerald Group Publishing, 2005.

Cita MLA (9th ed.)

ebrary, Inc. Website Usability: Research and Case Studies. Emerald Group Publishing, 2005.