Gaya APA

Schneier, B. (1999). The Twofish encryption algorithm (A128-Bit Block Cipher)/ Bruce Schneier . New York: McGraw-Hill.

Gaya MLA

Schneier, Bruce. "The Twofish encryption algorithm (A128-Bit Block Cipher)/ Bruce Schneier". New York: McGraw-Hill, 1999. Teks.