Harkness, H. W. (1964). Elementary plane rigid dynamics. Academic Press.
Dyfyniad Arddull ChicagoHarkness, H. W. Elementary Plane Rigid Dynamics. New York: Academic Press, 1964.
Dyfyniad MLAHarkness, H. W. Elementary Plane Rigid Dynamics. Academic Press, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.