Dyfyniad APA

Ulrich, K. T., & Eppinger, S. D. (2004). Product desing and development (3a. ed.). McGraw-Hill/Irwin.

Dyfyniad Arddull Chicago

Ulrich, Karl T., and Steven D. Eppinger. Product Desing and Development. 3a. ed. Boston: McGraw-Hill/Irwin, 2004.

Dyfyniad MLA

Ulrich, Karl T., and Steven D. Eppinger. Product Desing and Development. 3a. ed. McGraw-Hill/Irwin, 2004.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.