Citazione Stile APA (7a Edizione)

Kumar, P. (2012). Product design: Creativity, concepts and usability. PHI Learning Private.

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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