Engebretson, D. J. (2008). Guide to networking for physical security systems. Clifton Park, NY: Security Networking Institute.
শিকাগো স্টাইলে সাইটেশনEngebretson, David J. Guide to Networking for Physical Security Systems. Clifton Park, NY: Security Networking Institute, 2008.
এমএলএ সাইটেশনEngebretson, David J. Guide to Networking for Physical Security Systems. Clifton Park, NY: Security Networking Institute, 2008.
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