Leake, J. M. (2013). Engineering design graphics sketching, modeling, and visualization. John Wiley & Sons.
Čikaški stil citiranja (17. izdanje)Leake, James M. Engineering Design Graphics Sketching, Modeling, and Visualization. John Wiley & Sons, 2013.
MLA način citiranja (8. izdanje)Leake, James M. Engineering Design Graphics Sketching, Modeling, and Visualization. John Wiley & Sons, 2013.
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