Gaya APA
Stalling, W. (2006).
Cryptography and network security : Principles and practices / William Stallings .
Amarica:
Pearson Prentice Hall.
Gaya MLA
Stalling, William.
"Cryptography and network security : Principles and practices / William Stallings".
Amarica:
Pearson Prentice Hall,
2006.
.