Dixon, R. T. (1979). Physical science: A dynamic approach. Prentice-Hall.
Dyfyniad Arddull ChicagoDixon, Robert T. Physical Science: A Dynamic Approach. Englewood Cliffs, N.J.: Prentice-Hall, 1979.
Dyfyniad MLADixon, Robert T. Physical Science: A Dynamic Approach. Prentice-Hall, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.