(1984). Physics: Concepts and models (2d ed.). Longman.
Dyfyniad Arddull ChicagoPhysics: Concepts and Models. 2d ed. England: Longman, 1984.
Dyfyniad MLAPhysics: Concepts and Models. 2d ed. Longman, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.