Dyfyniad APA
Rubin, J., & Chisnell Dana. (2008). Handbook of usability testing: How to plan, design, and conduct effective tests (2nd ed.). Wiley Pub.
Dyfyniad Arddull Chicago
Rubin, Jeffrey, and Chisnell Dana. Handbook of Usability Testing: How to Plan, Design, and Conduct Effective Tests. 2nd ed. Indianapolis, IN: Wiley Pub, 2008.
Dyfyniad MLA
Rubin, Jeffrey, and Chisnell Dana. Handbook of Usability Testing: How to Plan, Design, and Conduct Effective Tests. 2nd ed. Wiley Pub, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.