b c d e f Cooper, Alan ; Reimann, Robert; Cronin, Dave (2007). About Face 3: The Essentials of Interaction Design . Indianapolis, Indiana : Wiley . pp. 610. ISBN   978-0-470-08411-3 . http://books.google.com/books?id=0gdRAAAAMAAJ . Retrieved 18 July 2011 .   ^ Integrate business modeling and interaction design ^ Bill Verplank home