Tohutoro APA (7th ed.)

Pfeiffer, P. E. (1978). Concepts of probability theory (2nd rev. ed.). Dover Publications.

Tohutoru Kātū Chicago (17th ed.)

Pfeiffer, Paul E. Concepts of Probability Theory. 2nd rev. ed. New York: Dover Publications, 1978.

Tohutoro MLA (9th ed.)

Pfeiffer, Paul E. Concepts of Probability Theory. 2nd rev. ed. Dover Publications, 1978.