Cita APA (7th ed.)
Wood, J. (1988). Speaking effectively. Randon house.
Cita Chicago (17th ed.)
Wood, James. Speaking Effectively. New York: Randon house, 1988.
Cita MLA (9th ed.)
Wood, James. Speaking Effectively. Randon house, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.