Prashant Kumar. (2012). Product design: Creativity concepts and usability. PHI.
استشهاد بنمط شيكاغوPrashant Kumar. Product Design: Creativity Concepts and Usability. New Delhi: PHI, 2012.
MLA استشهادPrashant Kumar. Product Design: Creativity Concepts and Usability. PHI, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.