Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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