Pugh, S. (1990). Total design: Integrated methods for successful product engineering. Prentice Hall.
Dyfyniad Arddull ChicagoPugh, Stuart. Total Design: Integrated Methods for Successful Product Engineering. Harlow, England: Prentice Hall, 1990.
Dyfyniad MLAPugh, Stuart. Total Design: Integrated Methods for Successful Product Engineering. Prentice Hall, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.