Dyfyniad APA

Singh, S. (1999). code book: The science of secrecy from ancient Egypt to quanttum cryptography. Anchor Books.

Dyfyniad Arddull Chicago

Singh, Simon. Code Book: The Science of Secrecy from Ancient Egypt to Quanttum Cryptography. New York: Anchor Books, 1999.

Dyfyniad MLA

Singh, Simon. Code Book: The Science of Secrecy from Ancient Egypt to Quanttum Cryptography. Anchor Books, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.