Cita APA (7th ed.)

Sprague, J., & Stuart, D. (1984). The speaker's handbook. Harcourt B. J..

Cita Chicago (17th ed.)

Sprague, Jo, i Douglas Stuart. The Speaker's Handbook. San Diego: Harcourt B. J., 1984.

Cita MLA (9th ed.)

Sprague, Jo, i Douglas Stuart. The Speaker's Handbook. Harcourt B. J., 1984.