Citazione Stile APA (7a Edizione)
Gregory, H. (2008). Public speaking for college and career (8th. ed.). McGraw-Hill.
Citazione stile Chigago Style (17a edizione)
Gregory, Hamilton. Public Speaking for College and Career. 8th. ed. Boston: McGraw-Hill, 2008.
Citatione MLA (9a ed.)
Gregory, Hamilton. Public Speaking for College and Career. 8th. ed. McGraw-Hill, 2008.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.