Schwartz, E., & Williams, L. (2019). Can you crack the code?: A fascinating history of ciphers and cryptography. Bloomsbury Children's Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchwartz, Ella, और Lily Williams. Can You Crack the Code?: A Fascinating History of Ciphers and Cryptography. New York: Bloomsbury Children's Books, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSchwartz, Ella, और Lily Williams. Can You Crack the Code?: A Fascinating History of Ciphers and Cryptography. Bloomsbury Children's Books, 2019.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.