Sears, F. W., & Zemansky, M. W. (1960). College physics (3rd ed.). Addison-Wesley.
Dyfyniad Arddull ChicagoSears, Francis Weston, and Mark W. Zemansky. College Physics. 3rd ed. Massachusetts: Addison-Wesley, 1960.
Dyfyniad MLASears, Francis Weston, and Mark W. Zemansky. College Physics. 3rd ed. Addison-Wesley, 1960.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.