Cita APA (7th ed.)
Fletcher, L. (1985). How to design and deliver a speech (3rd ed.). Harper & Row.
Cita Chicago (17th ed.)
Fletcher, Leon. How to Design and Deliver a Speech. 3rd ed. Cambridge: Harper & Row, 1985.
Cita MLA (9th ed.)
Fletcher, Leon. How to Design and Deliver a Speech. 3rd ed. Harper & Row, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.