Cooper Alan. (2014). About Face: The Essentials of Interaction Design (4th.). Wiley India.
Lua i Stíl Chicago (17ú heag.)Cooper Alan. About Face: The Essentials of Interaction Design. 4th. New Delhi: Wiley India, 2014.
Lua MLA (9ú heag.)Cooper Alan. About Face: The Essentials of Interaction Design. 4th. Wiley India, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.