Gaya APA

Hardy, D, W., Walker, C, L. (2003). Applied Algebra : Codes, Ciphers, Discrete Algorithms (1). London: Prentice Hall.

Gaya MLA

Hardy, Darel, W.., Walker, Carol, L.. "Applied Algebra : Codes, Ciphers, Discrete Algorithms". 1 London: Prentice Hall, 2003. Text.