Black, J. W. (1955). Speech: Code meaning, and communication. McGraw Hill.
Cita Chicago (17th ed.)Black, John W. Speech: Code Meaning, and Communication. New York: McGraw Hill, 1955.
Cita MLA (9th ed.)Black, John W. Speech: Code Meaning, and Communication. McGraw Hill, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.