Coper, A., Reimann, R., Cronin, D., & Noessel, C. About face: The essentials of interaction design (4a ed.).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCoper, Alan, Robert Reimann, David Cronin, और Chirstopher Noessel. About Face: The Essentials of Interaction Design. 4a ed.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCoper, Alan, et al. About Face: The Essentials of Interaction Design. 4a ed.
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