Cita APA (7th ed.)
Heun, L., & Heun, D. J. a. (1986). Public speaking (2nd ed.). West.
Cita Chicago (17th ed.)
Heun, Linda, i Dick Joint author Heun. Public Speaking. 2nd ed. New York: West, 1986.
Cita MLA (9th ed.)
Heun, Linda, i Dick Joint author Heun. Public Speaking. 2nd ed. West, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.