Dyfyniad APA

Rubin, J. . .., & Chisnell, D. . .. (2008). Hand book of usability testing (2.). Wiley India Pvt. Ltd.

Dyfyniad Arddull Chicago

Rubin, Jeff ., and Dana Chisnell. Hand Book of Usability Testing. 2. New Delhi: Wiley India Pvt. Ltd, 2008.

Dyfyniad MLA

Rubin, Jeff ., and Dana Chisnell. Hand Book of Usability Testing. 2. Wiley India Pvt. Ltd, 2008.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.