Citazione Stile APA (7a Edizione)

Lucas Stephene. (2009). The Art of Public Speaking (10th ed.). Mc Graw Hill.

Citazione stile Chigago Style (17a edizione)

Lucas Stephene. The Art of Public Speaking. 10th ed. New York: Mc Graw Hill, 2009.

Citatione MLA (9a ed.)

Lucas Stephene. The Art of Public Speaking. 10th ed. Mc Graw Hill, 2009.