Leake, J. M. (2013). Engineering design graphics sketching, modeling, and visualization. John Wiley & Sons.
Chicago-viite (17. p.)Leake, James M. Engineering Design Graphics Sketching, Modeling, and Visualization. John Wiley & Sons, 2013.
MLA-viite (8. p.)Leake, James M. Engineering Design Graphics Sketching, Modeling, and Visualization. John Wiley & Sons, 2013.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.