Tohutoro APA (7th ed.)

Beutelspacher, A. (1994). Cryptology. The Mathematical Association of America.

Tohutoru Kātū Chicago (17th ed.)

Beutelspacher, Albrecht. Cryptology. Washington, D.C: The Mathematical Association of America, 1994.

Tohutoro MLA (9th ed.)

Beutelspacher, Albrecht. Cryptology. The Mathematical Association of America, 1994.