ULRICH KARL T. (2012). PRODUCT DESIGN AND DEVELOPMENT (4TH ED.). TATA MC GRAW HILL.
Chicago-čujuhus (17. p.)ULRICH KARL T. PRODUCT DESIGN AND DEVELOPMENT. 4TH ED. NEW DELHI: TATA MC GRAW HILL, 2012.
MLA-čujuhus (9. p.)ULRICH KARL T. PRODUCT DESIGN AND DEVELOPMENT. 4TH ED. TATA MC GRAW HILL, 2012.
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