Ulrich, K. T. (2004). Product Design and Development. Tata McGraw-Hill Publishing Company Ltd.
Lua i Stíl Chicago (17ú heag.)Ulrich, Karl T. Product Design and Development. New Delhi: Tata McGraw-Hill Publishing Company Ltd, 2004.
Lua MLA (9ú heag.)Ulrich, Karl T. Product Design and Development. Tata McGraw-Hill Publishing Company Ltd, 2004.
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