Cita APA (7th ed.)
Engleberg, I. N. (1993). The principles of public presentation. HarperCollins.
Cita Chicago (17th ed.)
Engleberg, Isa N. The Principles of Public Presentation. New York: HarperCollins, 1993.
Cita MLA (9th ed.)
Engleberg, Isa N. The Principles of Public Presentation. HarperCollins, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.