Hewitt, P. G. (1974). Conceptual physics: A new introduction to your environment (2nd ed.). Little.
Dyfyniad Arddull ChicagoHewitt, Paul G. Conceptual Physics: A New Introduction to Your Environment. 2nd ed. Boston: Little, 1974.
Dyfyniad MLAHewitt, Paul G. Conceptual Physics: A New Introduction to Your Environment. 2nd ed. Little, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.