Payne, C. A., & Falls, W. R. (1974). Modern physical science. W. C. Brown Co.
Dyfyniad Arddull ChicagoPayne, Charles A., and William R. Falls. Modern Physical Science. Dubuque, Iowa: W. C. Brown Co, 1974.
Dyfyniad MLAPayne, Charles A., and William R. Falls. Modern Physical Science. W. C. Brown Co, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.