Cita APA (7th ed.)

Collins , P. Art of Speeches & Presentations: The Secrets of Making People remember What You Say. Wiley.

Cita Chicago (17th ed.)

Collins , Philip. Art of Speeches & Presentations: The Secrets of Making People Remember What You Say. New Delhi: Wiley.

Cita MLA (9th ed.)

Collins , Philip. Art of Speeches & Presentations: The Secrets of Making People Remember What You Say. Wiley.