Παραπομπή APA

Delfs, H., & Knebl, H. (2003). Introduction to cryptography: Principles and applications. Springer - Verlag.

Παραπομπή Chicago Style

Delfs, Hans, και Helmut Knebl. Introduction to Cryptography: Principles and Applications. Berlin: Springer - Verlag, 2003.

Παραπομπή MLA

Delfs, Hans, και Helmut Knebl. Introduction to Cryptography: Principles and Applications. Springer - Verlag, 2003.