Gaya APA

Stallings, W. (2011). Cryptography and network security : principles and practice (5th.ed.). Upper Saddle River, New Jersey: Pearson Education.

Gaya MLA

Stallings, William. "Cryptography and network security : principles and practice". 5th.ed. Upper Saddle River, New Jersey: Pearson Education, 2011. Teks.