APA-čujuhus (7. p.)

Roddy, D., & By , C. (1995). Electronic communications (4th ed.). Prentice Hall.

Chicago-čujuhus (17. p.)

Roddy, Dennis, juo Coolen By. Electronic Communications. 4th ed. New Delhi: Prentice Hall, 1995.

MLA-čujuhus (9. p.)

Roddy, Dennis, juo Coolen By. Electronic Communications. 4th ed. Prentice Hall, 1995.

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