एपीए उद्धरण

Ulrich, K. T. E. (1995). Product design and development.

शिकागो स्टाइल उद्धरण

Ulrich, Karl T; Eppinger. Product Design and Development. Mc Graw Hill: New York, 1995.

एमएलए उद्धरण

Ulrich, Karl T; Eppinger. Product Design and Development. 1995.