Ulrich, K. T. (2004). Product Design and Development. Tata McGraw-Hill Publishing Company Ltd.
Chicago-viite (17. p.)Ulrich, Karl T. Product Design and Development. New Delhi: Tata McGraw-Hill Publishing Company Ltd, 2004.
MLA-viite (9. p.)Ulrich, Karl T. Product Design and Development. Tata McGraw-Hill Publishing Company Ltd, 2004.
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