Litvin, F. L. (2009). Noncircular gears: Design and generation. Cambridge University Press.
Dyfyniad Arddull ChicagoLitvin, Faydor L...[et.al]. Noncircular Gears: Design and Generation. Cambridge: Cambridge University Press, 2009.
Dyfyniad MLALitvin, Faydor L...[et.al]. Noncircular Gears: Design and Generation. Cambridge University Press, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.