Cita APA (7th ed.)
Metcalfe, S. (1998). Building a speech (3rd.ed.). Harcourt Brace.
Cita Chicago (17th ed.)
Metcalfe, Sheldon. Building a Speech. 3rd.ed. Fort Worth: Harcourt Brace, 1998.
Cita MLA (9th ed.)
Metcalfe, Sheldon. Building a Speech. 3rd.ed. Harcourt Brace, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.