Citazione Stile APA (7a Edizione)

Glenn, E. C., & Forman, S. H. (1990). Public speaking: Today and tomorrow. Prentice Hall.

Citazione stile Chigago Style (17a edizione)

Glenn, Ethel C., e Sandra H. Forman. Public Speaking: Today and Tomorrow. Englewood Cliffs, New Jersey: Prentice Hall, 1990.

Citatione MLA (9a ed.)

Glenn, Ethel C., e Sandra H. Forman. Public Speaking: Today and Tomorrow. Prentice Hall, 1990.