Cita APA (7th ed.)

Hardy, D. W., & Walker, C. L. (2003). Applied algebra: Codes, ciphers and discrete algorithms. Pearson Education.

Cita Chicago (17th ed.)

Hardy, Darel W., i Carol L. Walker. Applied Algebra: Codes, Ciphers and Discrete Algorithms. Upper Saddle, N.J: Pearson Education, 2003.

Cita MLA (9th ed.)

Hardy, Darel W., i Carol L. Walker. Applied Algebra: Codes, Ciphers and Discrete Algorithms. Pearson Education, 2003.