Dyfyniad APA

Cramer, H. (1955). Elements of probability theory. John Wiley.

Dyfyniad Arddull Chicago

Cramer, Harald. Elements of Probability Theory. New York: John Wiley, 1955.

Dyfyniad MLA

Cramer, Harald. Elements of Probability Theory. John Wiley, 1955.

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