Prashant Kumar. (2012). Product design: Creativity concepts and usability. PHI.
Chicago Edition CitationPrashant Kumar. Product Design: Creativity Concepts and Usability. New Delhi: PHI, 2012.
Cita MLAPrashant Kumar. Product Design: Creativity Concepts and Usability. PHI, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.