Davis, I. C. (1954). Science: A story of experiment and discovery. Henry Holt and Company.
Dyfyniad Arddull ChicagoDavis, Ira C. Science: A Story of Experiment and Discovery. New York: Henry Holt and Company, 1954.
Dyfyniad MLADavis, Ira C. Science: A Story of Experiment and Discovery. Henry Holt and Company, 1954.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.