Παραπομπή APA

Delfs, H., & Knebl, H. (2009). Introduction to cryptography: Principles and applications (2nd ed.). Springer International.

Παραπομπή Chicago Style

Delfs, Hans, και Helmut Knebl. Introduction to Cryptography: Principles and Applications. 2nd ed. New Delhi: Springer International, 2009.

Παραπομπή MLA

Delfs, Hans, και Helmut Knebl. Introduction to Cryptography: Principles and Applications. 2nd ed. Springer International, 2009.