Dyfyniad APA

Freund, J. E. (1973). Modern elementary statistics (4th ed.). Prentice-Hall.

Dyfyniad Arddull Chicago

Freund, John E. Modern Elementary Statistics. 4th ed. Englewood Cliffs, N.J: Prentice-Hall, 1973.

Dyfyniad MLA

Freund, John E. Modern Elementary Statistics. 4th ed. Prentice-Hall, 1973.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.