Putman, B. W. (1987). RS-232 simplified everything you need to know about connecting, interfacing, and troubleshooting peripheral devices. Prentice-Hall, Inc.
Čikaški stil citiranja (17. izdanje)Putman, Byron W. RS-232 Simplified Everything You Need to Know About Connecting, Interfacing, and Troubleshooting Peripheral Devices. Englewood Cliffs, New Jersey: Prentice-Hall, Inc, 1987.
MLA način citiranja (9. izdanje)Putman, Byron W. RS-232 Simplified Everything You Need to Know About Connecting, Interfacing, and Troubleshooting Peripheral Devices. Prentice-Hall, Inc, 1987.
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