Piper, F.C. und Murphy, S. (2002) Cryptography : a very short introduction [book], Very short introductions. Oxford: Oxford University Press (Very short introductions, 68).

Piper, Frederick C., und Sean Murphy. Cryptography : a very short introduction. Book. Very short introductions. Very short introductions 68. Oxford: Oxford University Press, [2002?], Oxford: Oxford University Press, [2002?].

Piper, F. C., & Murphy, S. (ca. 2002). Cryptography : a very short introduction [Book]. In Very short introductions. Oxford University Press.

Piper, F. C., und S. Murphy. „Cryptography : a very short introduction“. Very short introductions, book, Oxford University Press, 2002.

PIPER, Frederick C. und Sean MURPHY, 2002. Cryptography : a very short introduction. Oxford: Oxford University Press. Very short introductions, 68. ISBN 0192803158