Dyfyniad APA
Richtmyer, F., & Kennard, E. (1955). Introduction to modern physics (5th ed.). McGraw-Hill Book Company.
Dyfyniad Arddull Chicago
Richtmyer, F.K, and E.H/Lauritsen Kennard. Introduction to Modern Physics. 5th ed. New York: McGraw-Hill Book Company, 1955.
Dyfyniad MLA
Richtmyer, F.K, and E.H/Lauritsen Kennard. Introduction to Modern Physics. 5th ed. McGraw-Hill Book Company, 1955.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.