Paul W Zitzewitz & Neff, R. F. (1992). Merrill physics: Principles and problems. Glencoe.
Dyfyniad Arddull ChicagoPaul W Zitzewitz and Robert F. Neff. Merrill Physics: Principles and Problems. Lake Forest, Ill.: Glencoe, 1992.
Dyfyniad MLAPaul W Zitzewitz and Robert F. Neff. Merrill Physics: Principles and Problems. Glencoe, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.