ULRICH, K. T., & EPPINGER, S. D. (2004). Product design and development (Ed.3.). McGraw-Hill.

ULRICH, Karl T., and Steven D. EPPINGER. Product Design and Development. Ed.3. Boston: McGraw-Hill, 2004.

ULRICH, Karl T., and Steven D. EPPINGER. Product Design and Development. Ed.3. McGraw-Hill, 2004.