Dyfyniad APA

Leake, J. M. (2008). Engineering design graphics: :sketching,modelling and visualization. John Wiley.

Dyfyniad Arddull Chicago

Leake, James M. Engineering Design Graphics: :sketching,modelling and Visualization. New Jersey: John Wiley, 2008.

Dyfyniad MLA

Leake, James M. Engineering Design Graphics: :sketching,modelling and Visualization. John Wiley, 2008.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.