APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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