Ulrich, K. T., & Eppinger, S. D. (2004). Product desing and development (3a. ed.). McGraw-Hill/Irwin.
Cita Chicago (17th ed.)Ulrich, Karl T., i Steven D. Eppinger. Product Desing and Development. 3a. ed. Boston: McGraw-Hill/Irwin, 2004.
Cita MLA (9th ed.)Ulrich, Karl T., i Steven D. Eppinger. Product Desing and Development. 3a. ed. McGraw-Hill/Irwin, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.