Ballif, J. R., & Dibble, W. E. (1969). Conceptual physics: Matter in motion. Wiley.
Dyfyniad Arddull ChicagoBallif, Jae R., and William E. Dibble. Conceptual Physics: Matter in Motion. New York: Wiley, 1969.
Dyfyniad MLABallif, Jae R., and William E. Dibble. Conceptual Physics: Matter in Motion. Wiley, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.