Fitzgerald, J. (2000). Business communications and networking: Basic concepts, security, and design (6th ed.). John Wiley & Sons.
Chicago-čujuhus (17. p.)Fitzgerald, Jerry. Business Communications and Networking: Basic Concepts, Security, and Design. 6th ed. New York: John Wiley & Sons, 2000.
MLA-čujuhus (9. p.)Fitzgerald, Jerry. Business Communications and Networking: Basic Concepts, Security, and Design. 6th ed. John Wiley & Sons, 2000.
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