APA-viite (7. p.)

(2018). History of cryptography and cryptanalysis: Codes, ciphers, and their algorithms / John F. Dooley.

Chicago-viite (17. p.)

History of Cryptography and Cryptanalysis: Codes, Ciphers, and Their Algorithms / John F. Dooley. 2018.

MLA-viite (9. p.)

History of Cryptography and Cryptanalysis: Codes, Ciphers, and Their Algorithms / John F. Dooley. 2018.