O'CONNOR, J. R. (1981). Speech: Exploring communication. Prentice-hall.
Cita Chicago (17th ed.)O'CONNOR, J. Regis. Speech: Exploring Communication. Englewood Cliffs: Prentice-hall, 1981.
Cita MLA (9th ed.)O'CONNOR, J. Regis. Speech: Exploring Communication. Prentice-hall, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.