BETHUNE JAMES D. (2013). ENGINEERING GRAPHICS WITH AUTO CAD. CLARENDON PRESS.
Chicago Style (17. basım) AtıfBETHUNE JAMES D. ENGINEERING GRAPHICS WITH AUTO CAD. NEW DELHI: CLARENDON PRESS, 2013.
MLA (9th ed.) AtıfBETHUNE JAMES D. ENGINEERING GRAPHICS WITH AUTO CAD. CLARENDON PRESS, 2013.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..