Dyfyniad APA

Freund, J. E. (1981). Statistics: A first course (2nd ed.). Prentice Hall.

Dyfyniad Arddull Chicago

Freund, John E. Statistics: A First Course. 2nd ed. Englewood Cliffs, NJ : New Jersey: Prentice Hall, 1981.

Dyfyniad MLA

Freund, John E. Statistics: A First Course. 2nd ed. Prentice Hall, 1981.

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