Dyfyniad APA

Cooper Alan. (2014). About Face: The Essentials of Interaction Design (4th.). Wiley India.

Dyfyniad Arddull Chicago

Cooper Alan. About Face: The Essentials of Interaction Design. 4th. New Delhi: Wiley India, 2014.

Dyfyniad MLA

Cooper Alan. About Face: The Essentials of Interaction Design. 4th. Wiley India, 2014.

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