Joos, G., & Freeman, I. M. (1951). Theoretical physics (3rd ed.). Blackie & Son.
Dyfyniad Arddull ChicagoJoos, Georg, and Ira M. Freeman. Theoretical Physics. 3rd ed. London: Blackie & Son, 1951.
Dyfyniad MLAJoos, Georg, and Ira M. Freeman. Theoretical Physics. 3rd ed. Blackie & Son, 1951.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.