Citazione Stile APA (7a Edizione)
Collins, P. (2012). The art of speeches and presentations: The secrets of making people remember what you say. Wiley.
Citazione stile Chigago Style (17a edizione)
Collins, Philip. The Art of Speeches and Presentations: The Secrets of Making People Remember What You Say. Hoboken, N.J.: Wiley, 2012.
Citatione MLA (9a ed.)
Collins, Philip. The Art of Speeches and Presentations: The Secrets of Making People Remember What You Say. Wiley, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.