Citazione Stile APA (7a Edizione)

Lucas, S. E. (2012). The art of public speaking (11th ed.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Lucas, Stephen E. The Art of Public Speaking. 11th ed. New York: McGraw-Hill, 2012.

Citatione MLA (9a ed.)

Lucas, Stephen E. The Art of Public Speaking. 11th ed. McGraw-Hill, 2012.