Eisenson, J. (1997). Voice and diction: A program for improvement (7th ed.). Allyn and Bacon.
Citazione stile Chigago Style (17a edizione)Eisenson, Jon. Voice and Diction: A Program for Improvement. 7th ed. Boston: Allyn and Bacon, 1997.
Citatione MLA (9a ed.)Eisenson, Jon. Voice and Diction: A Program for Improvement. 7th ed. Allyn and Bacon, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.