Schwartz, E., & Williams, L. (2019). Can you crack the code?: A fascinating history of ciphers and cryptography. Bloomsbury Children's Books.
Цитирование в стиле Чикаго (17-е изд.)Schwartz, Ella, и Lily Williams. Can You Crack the Code?: A Fascinating History of Ciphers and Cryptography. New York: Bloomsbury Children's Books, 2019.
Цитирование MLA (8-е изд.)Schwartz, Ella, и Lily Williams. Can You Crack the Code?: A Fascinating History of Ciphers and Cryptography. Bloomsbury Children's Books, 2019.
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