O'Connor, J. R. (1981). Speech: Exploring communication. Prentice Hall.
Chicago-čujuhus (17. p.)O'Connor, J. Regis. Speech: Exploring Communication. Prentice Hall, 1981.
MLA-čujuhus (9. p.)O'Connor, J. Regis. Speech: Exploring Communication. Prentice Hall, 1981.
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