Citazione Stile APA (7a Edizione)

Gregory, H. (2005). Public Speaking for College & Career (7th edición.). McGraw-Hill Companies, Inc.

Citazione stile Chigago Style (17a edizione)

Gregory, Hamilton. Public Speaking for College & Career. 7th edición. New York, N.Y: McGraw-Hill Companies, Inc, 2005.

Citatione MLA (9a ed.)

Gregory, Hamilton. Public Speaking for College & Career. 7th edición. McGraw-Hill Companies, Inc, 2005.