APA-viite (7. p.)

Dooley. (2013). A Brief History of Cryptology and Cryptographic Algorithms (1.). Springer International Publishing.

Chicago-viite (17. p.)

Dooley. A Brief History of Cryptology and Cryptographic Algorithms. 1. Springer International Publishing, 2013.

MLA-viite (8. p.)

Dooley. A Brief History of Cryptology and Cryptographic Algorithms. 1. Springer International Publishing, 2013.