APA-viite

Prashant Kumar. (2012). Product design: Creativity concepts and usability. PHI.

Chicago-tyylinen lähdeviittaus

Prashant Kumar. Product Design: Creativity Concepts and Usability. New Delhi: PHI, 2012.

MLA-viite

Prashant Kumar. Product Design: Creativity Concepts and Usability. PHI, 2012.