Prashant Kumar. (2012). Product design: Creativity concepts and usability. PHI.
Chicago ZitierstilPrashant Kumar. Product Design: Creativity Concepts and Usability. New Delhi: PHI, 2012.
MLA ZitierstilPrashant Kumar. Product Design: Creativity Concepts and Usability. PHI, 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.