Ross, R. S. (1977). Speech communication: Fundamentals and practice (4th ed.). Prentice Hall.
Cita Chicago (17th ed.)Ross, Raymond Samuel. Speech Communication: Fundamentals and Practice. 4th ed. Englewood Cliffs, N.J.: Prentice Hall, 1977.
Cita MLA (8th ed.)Ross, Raymond Samuel. Speech Communication: Fundamentals and Practice. 4th ed. Prentice Hall, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.