Dooley. (2013). A Brief History of Cryptology and Cryptographic Algorithms (1.). Springer International Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDooley. A Brief History of Cryptology and Cryptographic Algorithms. 1. Springer International Publishing, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDooley. A Brief History of Cryptology and Cryptographic Algorithms. 1. Springer International Publishing, 2013.
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