Hahner, J. C. (2002). Speaking clearly: Improving voice and diction. New York: McGraw-Hill.
Style de citation ChicagoHahner, Jeffrey C. Speaking Clearly: Improving Voice and Diction. New York: McGraw-Hill, 2002.
Style de citation MLAHahner, Jeffrey C. Speaking Clearly: Improving Voice and Diction. New York: McGraw-Hill, 2002.
Attention : ces citations peuvent ne pas être correctes à 100%.