Sells, R. L., & Weidner, R. T. (1965). Elementary classical physics (2d ed.). Allyn & Bacon.
Dyfyniad Arddull ChicagoSells, Robert L., and Richard T. Weidner. Elementary Classical Physics. 2d ed. Boston: Allyn & Bacon, 1965.
Dyfyniad MLASells, Robert L., and Richard T. Weidner. Elementary Classical Physics. 2d ed. Allyn & Bacon, 1965.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.