Dyfyniad APA
Triola, M. F. (1992). Elementary statistics (5th ed.). Addison-Wesley pub. Co..
Dyfyniad Arddull Chicago
Triola, Mario F. Elementary Statistics. 5th ed. New York: Addison-Wesley pub. Co., 1992.
Dyfyniad MLA
Triola, Mario F. Elementary Statistics. 5th ed. Addison-Wesley pub. Co., 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.